Arithmetic

Percentage of a Number

Formula

Result = (Percentage / 100) × Number

What is Percentage of a Number?

To find a percentage of a number, convert the percentage to a decimal by dividing by 100, then multiply by the number.

Variables

P
Percentage — The percentage value (e.g., 20 for 20%)
N
Number — The number to find the percentage of

Worked Examples

Example 1

What is 15% of 200?

Solution:

Result = (15 / 100) × 200 = 0.15 × 200 = 30

Example 2

What is 35% of 80?

Solution:

Result = (35 / 100) × 80 = 0.35 × 80 = 28

Frequently Asked Questions

Related Formulas

Percentage Change

((New Value − Original Value) / Original Value) × 100

Simple Interest

I = (P × R × T) / 100

Compound Interest

A = P × (1 + R/100)^T

Speed, Distance, Time

Speed = Distance / Time

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