PERCENT • INCREASE • DECREASE • CHANGE
Percentage Calculator
Calculate percentages instantly. Find a percentage of a number, work out what percentage one number is of another, increase or decrease values by a percentage, and calculate percentage change.
What Is X% of a Number?
What Percent Is One Number of Another?
Increase or Decrease a Number by a Percentage
Percentage Change Calculator
How to Calculate a Percentage
To calculate a percentage of a number, multiply the number by the percentage and divide the result by 100.
Example:
15% of 1,500
1,500 × 15 ÷ 100 = 225
How to Find What Percentage One Number Is of Another
Divide the first value by the second value and multiply by 100.
Example:
200 is what percent of 800?
200 ÷ 800 × 100 = 25%
How to Calculate a Percentage Increase
To increase a number by a percentage, first calculate the percentage amount and add it to the original value.
Example:
Increase 1,000 by 20%
1,000 × 1.20 = 1,200
How to Calculate a Percentage Decrease
To decrease a number by a percentage, subtract the percentage amount from the original value.
Example:
Decrease 1,000 by 20%
1,000 × 0.80 = 800
How to Calculate Percentage Change
Percentage change compares an old value with a new value.
Example:
Old value: 800
New value: 1,000
(1,000 − 800) ÷ 800 × 100 = 25% increase
Percentage Examples
| Calculation | Result |
|---|---|
| 10% of 500 | 50 |
| 15% of 1,500 | 225 |
| 20% of 1,000 | 200 |
| 25% of 2,000 | 500 |
| 50% of 600 | 300 |
| 200 is what % of 800? | 25% |
Common Percentage Calculations
What is 10% of 100?
10% of 100 is 10.
What is 20% of 500?
20% of 500 is 100.
What is 25% of 1,000?
25% of 1,000 is 250.
What is 50% of 200?
50% of 200 is 100.
What Can a Percentage Calculator Be Used For?
Percentage calculations are useful in many everyday and professional situations, including:
* Discounts and sale prices
* Price increases and decreases
* Taxes and fees
* Business margins
* Budget planning
* Statistics
* Exam scores
* Financial comparisons
* Growth and performance analysis
Araclio's percentage calculator works directly in your browser and requires no registration.
Frequently Asked Questions
How do you calculate 20% of a number?
Multiply the number by 20 and divide by 100. For example, 20% of 500 is 100.
How do I calculate what percentage one number is of another?
Divide the first number by the second number and multiply the result by 100.
How do I add 15% to a number?
Multiply the number by 1.15. For example, 1,000 increased by 15% becomes 1,150.
How do I subtract 20% from a number?
Multiply the number by 0.80. For example, 1,000 reduced by 20% becomes 800.
Is percentage increase the same as percentage change?
Percentage increase is a type of percentage change where the new value is greater than the old value. Percentage change can describe either an increase or a decrease.
Is this percentage calculator free?
Yes. Araclio's percentage calculator is free to use and requires no sign-up.