需要实现如下效果图： 

 实现的需求是，取数组对象里面，amount最大的值作为100%，其余按照这个标准进行计算得到显示的进度条百分比

<template>
  <div class="app-container">  
     
    <div class="chart-container">
      <el-row :gutter="14">
         
        <el-col :span="12">
          <div
            v-loading="chartLoading"
            class="chart-wrapper"
            style="margin-bottom: 14px;"
          >
            <h3>近半年重量企业排名</h3>
            <div
              v-if="status3 === 'data'"
              class="rank_div"
            >
              <div
                v-for="(item, index) in leaseSortData"
                :key="index"
                class="rank_box"
              >
                <div
                  class="li_fl"
                  :style="{background: index == 0 ? '#fff1f1' : index == 1 ? '#fff5ee' : index == 2 ? '#fff8e6' : '#f4f4f4', color: index == 0 ? '#ff9292' : index == 1 ? '#ff9950' : index == 2 ? '#f7b500' : '#8b8b8b' }"
                >
                  <div>{
   { index+1 }}</div>