Arithmetic & Basics
Basic

Percent of a Number

Find p percent of a number N.

Formula

value=p100×N\text{value} = \frac{p}{100} \times N

Variables

pPercentage
NThe number

Example

20% of 150 = 30

Did You Know?

Merchants in ancient Rome levied a tax called centesima rerum venalium — a 1% duty on goods sold at auction, an early real-world percentage.

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