What is A % of B?

Multiply B by A and divide by 100. For example, 15% of 200 is (15 × 200) ÷ 100 = 30.

Yes, decimals work too. For example, 2.5% of 80 equals (2.5 × 80) ÷ 100 = 2.

Yes, you can enter negative values to calculate percentage changes in the negative range.

Use it for discounts, tips, tax amounts, growth rates, and quick financial checks.