# Percentage Calculator

Calculate percent value for a number and find unknowns in a percentage formula. Answer questions like % of X, what % is X in Y or X is Y% of what?

## How Does Percentage Calculator Work?

With percentage calculator, you can find value that makes the percent portion in a percentage equation. You can also calculate percent when amount and value are known, or find the original amount when value and percent are known.

Answer to questions like % of X, what % is X in Y or X is Y% of what? can be calculated using this tool.

Here are three compoenents required for a percentage formula.

**Value**= The value after calculating pecentage from amount.

**Percent**= The percentage portion.

**Amount**= The original amount from which percent is to be calculated.

### What is the percentage forumula? How to calculate value for a given percentage?

Percentage of an amount can be found using the formula below:

`Value = Percent% × Amount`

or

`Value = Percent/100 × Amount`

### How to calculate percent when value and original amount is known?

Percent can be found using the formula below:

`Percent = (Amount × 100) / Value`

### How to calculate amount when value and percent is known?

Amount can be found using the formula below:

`Amount = (Value × 100) / Percent`

### How to convert decimal or fraction into percent?

If you are converting decimal or fraction into percent, then you need to multiply them with 100 to reach at precent %.

Example or converting decimal to percentage:

`0.218 × 100 = 21.8%`

Example or converting fraction to percentage:

`1/5 × 100 = 20%`

Additionaly, if you are calculating percent increase over a duration, take a look at CAGR calculator.

## How to Use Percentage Calculator?

- First select the statement/problem for which you need to find the unknown.
- These statements provide you with easy explaination about what is being calculated in the percentage formula.
- Just enter the values in the input box of the statement for which you need the calculation.
- Input values accept negative, positive as well as decimal numbers.
- Answer for respective percentage equation will automatically get updated as per the values provided.
- An easy statement, highlighting the answer will also be presented below the answer.
- You will also see calculation steps done for arriving at the answer.
- We do not store any of the values provided by you and everything is done inside your browser.