Percentage answers
270 worked answers to everyday percentage questions, each with the steps, quick mental-math methods and a calculator to try your own numbers. For anything else, use the percentage calculator.
What is X% of Y?
1% of
2% of
3% of
6% of
7% of
8% of
12% of
17.5% of
18% of
33% of
35% of
45% of
65% of
85% of
90% of
95% of
99% of
X is what percent of Y?
- 30 of 120
- 25 of 80
- 15 of 60
- 40 of 50
- 45 of 60
- 18 of 24
- 12 of 15
- 3 of 4
- 1 of 3
- 2 of 3
- 5 of 8
- 7 of 8
- 20 of 25
- 35 of 50
- 60 of 80
- 75 of 120
- 50 of 200
- 90 of 120
- 120 of 100
- 150 of 200
- 250 of 1,000
- 40 of 160
- 9 of 12
- 16 of 20
- 24 of 30
- 14 of 20
- 36 of 40
- 45 of 50
- 70 of 80
- 80 of 120
- 27 of 30
- 33 of 44
- 48 of 60
- 21 of 28
- 100 of 400
- 600 of 1,000
- 13 of 20
- 17 of 20
- 19 of 25
- 1 of 8
Percent change
Frequently asked questions
How do I calculate a percentage of a number?
Divide the percentage by 100 and multiply by the number. 15% of 80 is 0.15 × 80 = 12.
How do I find what percent one number is of another?
Divide the part by the whole and multiply by 100. 30 out of 120 is 30 ÷ 120 × 100 = 25%.
How do I calculate percent change?
Subtract the old value from the new one, divide by the old value and multiply by 100. From 80 to 100 is 20 ÷ 80 × 100 = +25%.