title: how to add percentage sign along with int value in graph in java script
body: <p>I am creating High Charts using java script they are working fine but i want that along with answers variable they should also show percentage % sign i have three variable ans66 ans67 and ans68 i want along with their values it should also show %</p>
  
  <pre><code>&lt;script type="text/javascript"&gt;
      $(document).ready(function() {
         ans66=0;
         ans67=0;
         ans68=0;
         ans69=0;
         var chart = new Highcharts.Chart({
           chart: {
             renderTo: 'container_1',
             defaultSeriesType: 'column'
           },
           xAxis: {
             categories: [''],
                title: {
                   text: 'Revenue base on one trip/one 4-pack per year',
                   style: {
                       color: '#767575'
                   }},
                   labels: {
                       align: 'right',
                       style: {
                           font: 'normal 11px Verdana'
                       },
                       x: 24,
                   }
                },
                yAxis: {
                   min: 0,
                   startOnTick: false,
                   labels: {
                   formatter: function() {
                       return this.value;
                   },
                  style: {
                       color: '#767575'
                  }
                },
                title: {
                  text: '$',
                  style: {
                     color: '#767575'
                  }
                }
            },
            series: [{
                 name: 'Revenue $',
                 data: [ans66]
              }, {
                 name: 'Revenue $',
                 data: [ans67]
              }, {
                 name: 'Revenue $',
                 data: [ans68]
              }, {
                 name: 'Revenue $',
                 data: [ans69]
              }] 
           });
       });
  </code></pre>