# Percentage Calculator

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## What is Percentage Calculator?

A Percentage Calculator is a tool that allows you to calculate the percentage of a given value or the percentage increase or decrease between two values. It can be useful for a variety of applications, from calculating discounts to tracking financial growth.

## How to use the Percentage Calculator?

• To calculate the Percentage of Value Calculation:
1. Enter the percentage value you want to calculate in the "Percentage" field.
2. Enter the whole value in the "Of" field.
3. The result will appear in the "Result" field.
• To calculate the Percentage Calculation:
1. Enter the part value in the "Part" field.
2. Enter the whole value in the "Whole" field.
3. The result will appear in the "Result" field.
• To calculate the Whole Value Calculation:
1. Enter the part value in the "Part" field.
2. Enter the percentage value in the "%" field.
3. The result will appear in the "Result" field.
• To calculate the Percentage Change Calculation:
1. Enter the initial value in the "Initial Value" field.
2. Enter the final value in the "Final Value" field.
3. The result will appear in the "Result" field.

## What is the formula for calculating the Percentage Calculator?

• Percentage of value calculation: To calculate what percentage one value is of another value, use the following formula:
percentage = (part / whole) * 100

• Percentage change calculation: To calculate the percentage change between two values, use the following formula:
percentage change = ((new value - old value) / old value) * 100

• Whole value calculation: To calculate the whole value based on a percentage and a part value, use the following formula:
whole = (part / percentage) * 100

## What units does the Percentage Calculator use?

The Percentage Calculator does not use any specific units, as it is a mathematical tool for calculating percentages, which are unitless values representing a portion of a whole. However, the inputs and outputs of the calculator may have units depending on the context of the calculation.

## Frequently Asked Questions

### What is the difference between a percentage value calculation and a percentage change calculation?

A percentage value calculation involves finding the percentage of a given value, while a percentage change calculation involves finding the percentage change between two values.

### How do I calculate a percentage value using a Percentage Calculator?

To calculate a percentage value using a percentage calculator, you need to input the value and the percentage you want to calculate. The calculator will then give you the percentage value.

### What units does a Percentage Calculator use?

A percentage calculator typically uses percentage units, which are denoted by the symbol "%".

### Can a Percentage Calculator calculate sales tax?

Yes, a percentage calculator can calculate sales tax by inputting the price of an item and the sales tax rate.

### Can a Percentage Calculator calculate tips?

Yes, a percentage calculator can calculate tips by inputting the bill amount and the percentage tip you want to give.

### Can a Percentage Calculator calculate markups?

Yes, a percentage calculator can calculate markups by inputting the cost of an item and the percentage markup you want to add.

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