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
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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%
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