[Solved]-HIghcharts how to change values and ranges in the Y-axis-Highcharts

Use formatter in yAxis

Fiddle Link

$(function () {
var yAxisLabels = [0,10,20,30,40,50,60,70,80,90,100];
var categories= ['1350', '1400', '1450', '1500', '1550', '1699', '1750'];
    Highcharts.chart('grafica1', {
        chart: {
            type: 'area',
        },
        title: {
            text: ' '
        },
        xAxis: {
           labels: {
                enabled: true,
                formatter: function () {
                    return categories[this.value];
                }
            },
            tickmarkPlacement: 'on',
            title: {
                enabled: false
            }
        },
         yAxis: {
          allowDecimals: false,
          min: '0',
          title: {
            text: 'Percentage'
          },
          tickPositioner: function() {
                    return yAxisLabels;
                },
          labels: {
            formatter: function(){
              return 100*this.value / $(this.axis.tickPositions).last()[0] + '%';
            }
          }
        },
        tooltip: {
            pointFormat: '<span style="color:{series.color}">{series.name}</span>: <b>{point.percentage:.1f}%</b> ({point.y:,.0f} millions)<br/>',
            split: true
        },
        plotOptions: {
            area: {
                stacking: 'percent',
                lineColor: '#ffffff',
                lineWidth: 1,
                marker: {
                    lineWidth: 1,
                    lineColor: '#ffffff',
                }
            },
             column: { stacking:'percent', pointPadding: 0.2, borderWidth: 0 }
        },
           series: [{
            name: 'Africa',
            data: [502, 635, 809, 947, 1402, 3634, 5268]
        }, {
            name: 'L. America',
            data: [106, 107, 111, 133, 221, 767, 1766]
        }, {
            name: 'Oceania',
            data: [163, 203, 276, 408, 547, 729, 628]
        }, {
            name: 'S-E. Asia',
            data: [18, 31, 54, 156, 339, 818, 1201]
        }, {
            name: 'Japan',
            data: [2, 2, 2, 6, 13, 30, 46]
        }, {
            name: 'China',
            data: [2, 2, 2, 6, 13, 30, 46]
        }, {
            name: 'Near East',
            data: [2, 2, 2, 6, 13, 30, 46]
        }, {
            name: 'Asian CIS',
            data: [2, 2, 2, 6, 13, 30, 46]
        }, {
            name: 'Russia',
            data: [2, 2, 2, 6, 13, 30, 46]
        }, {
            name: 'East Europe',
            data: [2, 2, 2, 6, 13, 30, 46]
        }, {
            name: 'Central Europe',
            data: [2, 2, 2, 6, 13, 30, 46]
        }, {
            name: 'W. Europe - Nordic',
            data: [2, 2, 2, 6, 13, 30, 46]
        }, {
            name: 'Nordic',
            data: [2, 2, 2, 6, 13, 30, 46]
        }, {
            name: 'N. America',
            data: [2, 2, 2, 6, 13, 30, 46]
        }]
    });
});

Update With New Requirement

Change stacking: 'percentage', to stacking: 'normal',

Fiddle link

so final code

$(function () {
var yAxisLabels = [0,1000000,2000000,3000000,4000000,5000000,6000000,7000000,8000000,9000000];
var categories= ['1990', '2000', '2010', '2020', '2030', '2040', '2050'];
    Highcharts.chart('grafica1', {
        chart: {
            type: 'area',
        },
        title: {
            text: ' '
        },
        xAxis: {
           labels: {
                enabled: true,
                formatter: function () {
                    return categories[this.value];
                }
            },
            tickmarkPlacement: 'on',
            title: {
                enabled: false
            }
        },
        yAxis: {
          allowDecimals: false,
          min: '0',
          title: {
            text: 'Y-AXIS'
          },
          tickPositioner: function() {
                    return yAxisLabels;
                },
          labels: {
            formatter: function(){
              return this.value;
            }
          }
        },
        plotOptions: {
            area: {
                stacking: 'normal',
                lineColor: '#ffffff',
                lineWidth: 1,
                marker: {
                    lineWidth: 1,
                    lineColor: '#ffffff',
                }
            }
        },
           series: [{
            name: 'Africa',
            data: [100000, 100000, 500000, 900000, 900000, 900000, 555268]
        }, {
            name: 'L. America',
            data: [25020, 296350, 222809, 241947, 331402, 443634, 555268]
        }, {
            name: 'Oceania',
            data: [100000, 296350, 222809, 241947, 331402, 443634, 555268]
        }, {
            name: 'S-E. Asia',
            data: [25020, 100000, 222809, 241947, 331402, 443634, 555268]
        }, {
            name: 'Japan',
            data: [25020, 296350, 222809, 241947, 331402, 443634, 555268]
        }, {
            name: 'China',
            data: [25020, 296350, 100000, 241947, 331402, 443634, 555268]
        }, {
            name: 'Near East',
            data: [25020, 296350, 222809, 100000, 331402, 443634, 555268]
        }, {
            name: 'Asian CIS',
            data: [25020, 100000, 222809, 241947, 331402, 443634, 555268]
        }, {
            name: 'Russia',
            data: [25020, 296350, 222809, 100000, 331402, 443634, 555268]
        }, {
            name: 'East Europe',
            data: [25020, 296350, 100000, 241947, 331402, 443634, 555268]
        }, {
            name: 'Central Europe',
            data: [25020, 296350, 222809, 241947, 331402, 443634, 555268]
        }, {
            name: 'W. Europe - Nordic',
            data: [25020, 100000, 222809, 241947, 331402, 443634, 555268]
        }, {
            name: 'Nordic',
            data: [100000, 296350, 222809, 100000, 331402, 443634, 555268]
        }, {
            name: 'N. America',
            data: [25020, 296350, 222809, 241947, 331402, 100000, 555268]
        }]
    });
});