echarts y轴百分比显示

更改配置项yAxis:

 yAxis: [
                    {  
                        type: ‘value‘,  
                        axisLabel: {  
                            show: true,  
                            interval: ‘auto‘,  
                            formatter: ‘{value} %‘  
                            },  
                        show: true  
                    }  
                ],

文章来自：https://www.cnblogs.com/jessiespur/p/9583477.html