var NewPerCent=parseFloat(NewPerCent.toString()).toFixed(2);return ‘<b>‘+ this.point.name +‘</b>: ‘+ Highcharts.numberFormat(this.percentage) +‘ %‘;
highcharts 饼图显示数据比例如何保留二位小数
原文：http://www.cnblogs.com/hjtdlx/p/3934541.html
