15% of 80 is 12 and 25% of 200 is 50. Read across from the number to the percentage column.
| Number | 1% | 5% | 10% | 15% | 20% | 25% | 30% | 40% | 50% | 75% |
|---|---|---|---|---|---|---|---|---|---|---|
| 10 | 0.10 | 0.50 | 1 | 1.50 | 2 | 2.50 | 3 | 4 | 5 | 7.50 |
| 20 | 0.20 | 1 | 2 | 3 | 4 | 5 | 6 | 8 | 10 | 15 |
| 25 | 0.25 | 1.25 | 2.50 | 3.75 | 5 | 6.25 | 7.50 | 10 | 12.50 | 18.75 |
| 40 | 0.40 | 2 | 4 | 6 | 8 | 10 | 12 | 16 | 20 | 30 |
| 50 | 0.50 | 2.50 | 5 | 7.50 | 10 | 12.50 | 15 | 20 | 25 | 37.50 |
| 60 | 0.60 | 3 | 6 | 9 | 12 | 15 | 18 | 24 | 30 | 45 |
| 75 | 0.75 | 3.75 | 7.50 | 11.25 | 15 | 18.75 | 22.50 | 30 | 37.50 | 56.25 |
| 80 | 0.80 | 4 | 8 | 12 | 16 | 20 | 24 | 32 | 40 | 60 |
| 100 | 1 | 5 | 10 | 15 | 20 | 25 | 30 | 40 | 50 | 75 |
| 120 | 1.20 | 6 | 12 | 18 | 24 | 30 | 36 | 48 | 60 | 90 |
| 150 | 1.50 | 7.50 | 15 | 22.50 | 30 | 37.50 | 45 | 60 | 75 | 112.50 |
| 200 | 2 | 10 | 20 | 30 | 40 | 50 | 60 | 80 | 100 | 150 |
| 250 | 2.50 | 12.50 | 25 | 37.50 | 50 | 62.50 | 75 | 100 | 125 | 187.50 |
| 500 | 5 | 25 | 50 | 75 | 100 | 125 | 150 | 200 | 250 | 375 |
| 1,000 | 10 | 50 | 100 | 150 | 200 | 250 | 300 | 400 | 500 | 750 |
How it is computed
x% of y = y × x ÷ 100. To find a percentage not in the table, add columns: 35% is 25% plus 10%, and 1% is the number divided by 100.
FAQ
Is x% of y the same as y% of x?+
Yes. 8% of 50 equals 50% of 8, both are 4, because y × x ÷ 100 is the same product either way.
How do I find 10% in my head?+
Move the decimal point one place left: 10% of 85 is 8.5. Halve that for 5%, double it for 20%.