## Example 1: How to calculate % to decimal

15% = 0.15 = 15% / 100%

## Example 2: Percentage calculation

**25 is what percent of 100?**

(25 / 100) x 100% = 0.25 x 100% = 25%

## Example 3: Percentage of a value calculation

**What is 35% of 70?**

(35% / 100%) x 70 = 0.35 x 70 = 24.5

## Example 4: Whole value calculation

**18 is 40% of what?**

18 / (40% / 100%) x 100 = (18 / 0.4) x 100 = 45

## Example 5: Percentage change calculation

**What is the percentage change from 130 to 150?**

((150 – 130) / 130) x 100% = 0.1538 x 100% = 15.38%

Advertisements

Advertisements