ant-design/components/progress/demo/format.md

order	title
6	自定义文字格式

format 属性指定格式。

import { Progress } from 'antd';
const ProgressCircle = Progress.Circle;

ReactDOM.render(
  <div>
    <ProgressCircle percent={75} format={percent => `${percent / 10.0}折` } />
    <ProgressCircle percent={100} format={() => '成功'} />
  </div>
  , mountNode);