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百分比计算器Percentage Calculator

三个常见百分比问题:A% 是多少、A 占 B 多少、从 A 到 B 增减多少。Three common percentage questions: A% of B, A as a share of B, and change from A to B.

理念:Idea: 涨跌占比,一眼算明白。Rises, falls and shares, worked out at a glance.

解决:Solves: 常见百分比问题直接出答案Answers common percentage questions

适合:For: 算涨跌、占比、完成率的人Anyone working out percentages

可用Available在浏览器中运行Runs in your browser
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在你的设备上本地处理。这里输入的内容不会上传。Processed locally on your device. Nothing you enter here is uploaded.

使用方法How to use

  1. 1在对应问题的卡片里填数字。Fill in the numbers in the card that matches your question.
  2. 2边输入边出结果。Read the result as you type.

说明Good to know

  • 结果实时更新,可复制。Results update live and can be copied.
  • 起点为 0 时增减幅度没有意义,显示「—」。Percent change from 0 is undefined and shows —.
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