How to Calculate a Percentage
Practical tips for how to calculate percentage — private tools at percentagefind.com.
To find X% of a number: multiply the number by X and divide by 100. Example: 15% of 200 = 200 × 0.15 = 30.
To find what percent A is of B: (A ÷ B) × 100. Example: 25 is what % of 200? (25 ÷ 200) × 100 = 12.5%.
Percent change from old to new: ((new − old) ÷ |old|) × 100. Use percentagefind.com for tip, discount, grade, and fraction tools — all private in your browser.