score:8

Accepted answer

it's not possible to change plotoptions in real time. instead you can update options for each series instead, for example:

$('#button').click(function () {
    var chart = $('#container').highcharts(),
        s = chart.series,
        slen = s.length;

    for(var i =0; i < slen; i++){
        s[i].update({
            stacking: 'percent'   
        }, false);   
    }
    chart.redraw();
});

jsfiddle demo here.


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