パーセント計算機
割合、比率、変化率を計算します。
使い方
Three percentage modes
Calculate X% of Y, find what percent X is of Y, or measure the percent change from X to Y. The result updates as you type.
- Choose a mode.
- Enter the two numbers.
- Read the result and copy it if needed.
よくある質問
Which mode should I use for a discount?
Use X% of Y to get the discount amount, or % change to see the reduction.
How are numbers rounded?
Up to four decimals are shown using your locale's number format.