title: flot pie chart tooltip percentage
body: <p>I have having a problem with flot pie chart, its not showing correct percent value in tooltip, for example it shows <code>series1:%p.0%</code></p>
  
  <p><strong>js code</strong></p>
  
  <pre><code>  var data = [{
      label: "Series 0",
      data: 1
  }, {
      label: "Series 1",
      data: 3
  }, {
      label: "Series 2",
      data: 9
  }, {
      label: "Series 3",
      data: 20
  }];
  var plotObj = $.plot($("#flot-pie-chart"), data, {
      series: {
          pie: {
              show: true
          }
      },
      grid: {
          hoverable: true
      },
      colors: ["#99c7ce","#efb3e6","#a48ad4","#AEC785","#fdd752"],
      tooltip: true,
      tooltipOpts: {
          content: "%p.0%, %s", // show percentages, rounding to 2 decimal places
          shifts: {
              x: 20,
              y: 0
          },
          defaultTheme: false
      }
  });
  </code></pre>
  
  <p>Please help to resolve this.</p>
  
  <p>thanks</p>