Compare calculators
Both calculators run independently β change the inputs on either side to compare results.
Math
Percentage Calculator
Find what a given percentage of a number is β for example, 18% of a $42 restaurant bill, or 7.5% sales tax on a $129 purchase. This calculator handles the most common percentage question that comes up in everyday math: "what is P% of N?" Enter the percentage and the base number, and you get the exact partial amount. It is the building block behind tip calculators, discount calculators, tax calculators, and most quick financial estimates you do on the fly.
Fill in the required fields to see your result.
Math
Percentage Change Calculator
Calculate the percentage increase or decrease between an old value and a new value. The standard way to express growth, discounts, and rates of change.
Fill in the required fields to see your result.
Key differences
| Percentage Calculator | Percentage Change Calculator | |
|---|---|---|
| Category | Math | Math |
| Inputs required | 2 | 2 |
| Result | Result | Percentage Change (%) |
| What it does | Find what a given percentage of a number is β for example, 18% of a $42 restaurant bill, or 7.5% sales tax on a $129 purchase. This calculator handles the most common percentage question that comes up in everyday math: "what is P% of N?" Enter the percentage and the base number, and you get the exact partial amount. It is the building block behind tip calculators, discount calculators, tax calculators, and most quick financial estimates you do on the fly. | Calculate the percentage increase or decrease between an old value and a new value. The standard way to express growth, discounts, and rates of change. |