Percent Calculator
Find a percent, a percent change, or the original number.
Result
12.4
- 20% of 62 means (20 ÷ 100) × 62.
- = 0.2 × 62 = 12.4.
Formula
percent of = (p/100)×whole; change = (new−old)/old×100
How it works
Use percent of for tips and parts of a whole. Use percent change when comparing two values. Find original when you know a percentage amount.
Common wrong answer
Thinking 20% off then 10% off is 30% off. Sequential discounts compound.