Percentage Calculator
Calculate percentages easily including percentage of a number, what percent one value is of another, and percentage increase or decrease.
How Percentage Is Calculated?
Percentage calculations are widely used in finance, education, business, and daily life to compare values and measure changes.
- To find X% of Y, multiply Y by X and divide by 100.
- To find what percent X is of Y, divide X by Y and multiply by 100.
- To calculate percentage change, subtract old value from new value.
- Divide the change by old value and multiply by 100.
- A positive result indicates increase, negative indicates decrease.
FAQ
What is a percentage?
A percentage represents a number as a fraction of 100.
Can percentage be negative?
Yes. A negative percentage indicates a decrease.
Is this calculator accurate?
Yes. It uses standard mathematical formulas.
Can I calculate discounts with this?
Yes. Percentage calculations are useful for discounts and offers.
Is this calculator free?
Yes. It is completely free to use.