How do I calculate percentage of a number?

To find X% of a number N, multiply N by X and divide by 100. Example: 15% of 200 = (200 × 15) ÷ 100 = 30.

How do I calculate percentage change?

Percentage change = ((New Value − Old Value) ÷ Old Value) × 100. A positive result is a percentage increase; negative is a decrease.

What is the difference between percentage and percentage points?

A percentage expresses a proportion. A percentage point is the arithmetic difference between two percentages. If interest rises from 3% to 5%, that is 2 percentage points but a 66.7% relative increase.

Percentage Calculator — Increase, Decrease, Of

Calculate percentage of a number, percent change, increase, decrease and percentage difference with worked steps.