<!DOCTYPE html>
<html lang="en">

<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <meta http-equiv="X-UA-Compatible" content="ie=edge">
  <title>Stacked Bar Chart with Negative Values</title>


  <link href="../../assets/styles.css" rel="stylesheet" />

  <style>
    #chart {
            max-width: 650px;
            margin: 35px auto;
        }
    </style>
</head>

<body>
  <div id="chart">
    <apexchart type=bar height=440 :options="chartOptions" :series="series" />
  </div>
  
  <!-- Below element is just for displaying source code. it is not required. DO NOT USE -->
  <div id="html">
    &lt;div id="chart">
      &lt;apexchart type=bar height=350 :options="chartOptions" :series="series" />
    &lt;/div>
  </div>

  <script src="https://unpkg.com/vue/dist/vue.js"></script>
  <script src="https://cdn.jsdelivr.net/npm/apexcharts@latest"></script>
  <script src="https://cdn.jsdelivr.net/npm/vue-apexcharts"></script>

  <script>
    new Vue({
      el: '#chart',
      components: {
        apexchart: VueApexCharts,
      },
      data: {
        series: [{
            name: 'Males',
            data: [0.4, 0.65, 0.76, 0.88, 1.5, 2.1, 2.9, 3.8, 3.9, 4.2, 4, 4.3, 4.1, 4.2, 4.5,
              3.9, 3.5, 3
            ]
          },
          {
            name: 'Females',
            data: [-0.8, -1.05, -1.06, -1.18, -1.4, -2.2, -2.85, -3.7, -3.96, -4.22, -4.3, -4.4,
              -4.1, -4, -4.1, -3.4, -3.1, -2.8
            ]
          }
        ],
        chartOptions: {
          chart: {
            stacked: true
          },
          colors: ['#008FFB', '#FF4560'],
          plotOptions: {
            bar: {
              horizontal: true,
              barHeight: '80%',

            },
          },
          dataLabels: {
            enabled: false
          },
          stroke: {
            width: 1,
            colors: ["#fff"]
          },

          grid: {
            xaxis: {
              showLines: false
            }
          },
          yaxis: {
            min: -5,
            max: 5,
            title: {
              // text: 'Age',
            },
          },
          tooltip: {
            shared: false,
            x: {
              formatter: function (val) {
                return val
              }
            },
            y: {
              formatter: function (val) {
                return Math.abs(val) + "%"
              }
            }
          },
          title: {
            text: 'Mauritius population pyramid 2011'
          },
          xaxis: {
            categories: ['85+', '80-84', '75-79', '70-74', '65-69', '60-64', '55-59', '50-54',
              '45-49', '40-44', '35-39', '30-34', '25-29', '20-24', '15-19', '10-14', '5-9',
              '0-4'
            ],
            title: {
              text: 'Percent'
            },
            labels: {
              formatter: function (val) {
                return Math.abs(Math.round(val)) + "%"
              }
            }
          },
        }
      }
    })
  </script>

</body>

</html>