echarts y轴展示百分比和数值

     legend: {
            top: 5,
            right: 0,
            itemWidth: 18,
            itemHeight: 12,
            icon: 'rect',
            textStyle: {
              color: '#fff'
            }
          },
         grid: { left: 0, top: 50, bottom: 20, right: 0, containLabel: true },
         yAxis: [
            {
              type: 'value',
              axisLine: { show: true, lineStyle: { color: 'D0FFF6' } },
              axisLabel: {
                show: true,
                color: '#D0FFF6',
                interval: 'auto',
                formatter: '({value})'
              },
              splitLine: { lineStyle: { color: 'rgba(0,0,0,0)' } }
            },
            {
              min: 0,
              max: 100,
              position: 'left',
              offset: 40,
              type: 'value',
              boundaryGap: [0, 0.01],
              axisLabel: {
                show: true,
                color: '#D0FFF6',
                interval: 'auto',
                formatter: '{value}%'
              },
              splitLine: {
                lineStyle: {
                  type: 'dashed', // 横线类型
                  color: 'rgba(208, 255, 246, 0.7)'
                }
              },
              axisLine: {
                lineStyle: {
                  type: 'dashed',
                  color: 'rgba(208, 255, 246, 0.7)'
                }
              }
            }
          ],