What is 20 percent of 100?
20% of 100 is 20. See the step-by-step working, plus 100 increased and decreased by 20%.
20% of 100 = 20
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Full breakdown
| 20% of 100 | 20 |
| 100 + 20% | 120 |
| 100 − 20% | 80 |
| 100 is what % of 20 | 500% |
Step-by-step working
- Convert the percentage to a decimal: 20 ÷ 100 = 0.2
- Multiply by the number: 0.2 × 100 = 20
X% of Y = (X ÷ 100) × Y
Try your own numbers with the Percentage Calculator.