html, body, #container {

    width: 100%;

    height: 100%;

    margin: 0;

    padding: 0;

}

anychart.onDocumentReady(function () {

​

            //Create dataset

            var dataSet = anychart.data.set([

                ['Winner', 50],

                ['Looser', 3]

            ])

            dataSet.mapAs({x: 0, value: 1})

            var chart = anychart.pie(dataSet);

            // set chart title text settings

            chart

                .title('% WIN RATIO')

                // set chart radius

                .radius('50%')

                // create empty area in pie chart

                .innerRadius('60%');

                // enable labels for a series

            //Get numbers of winners and losers

            var winnerCount = chart.getPoint(0).get("value")

            var loserCount = chart.getPoint(1).get("value")

            //Calculate winrate

            var winRate = ((winnerCount*100)/(loserCount+winnerCount))

            //Trim number and make it a String

            var winRateString = winRate.toFixed(1).toString() + "%"

            // Create and configure a centered label

         var label = anychart.standalones.label();

            label.text(winRateString); //<------Insert Dynamic value

            label.width("100%");

            label.height("100%");

            label.fontColor("grey");

            label.hAlign("center");

            label.vAlign("middle");

            label.fontSize("22");

​

            // disable legend

            var legend = chart.legend();

            legend.enabled(false);

​

            // set the label as the center content

            chart.center().content(label);

            // Information on hover 

            // configure tooltips on the chart

            chart.tooltip().title("Volume");

            chart.tooltip().format("{%value} Trades");

            chart.labels(false);

            chart.container('container');

            // initiate chart drawing

            chart.draw();

            });

​