# Percentage Calculator

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Lets first understand, what are percentages and how we can solve the percentages?

A percentage is a number or ratio expressed as a fraction of 100. It is often denoted using the percent sign, "%".

A percentage is a dimensionless number, it has no unit of measurement.

For example, 95% is equal to \(\dfrac{95}{100}\), 95:100 or 0.95. Percentages are often used to express a proportionate part of a total.

Example 1: What is 10% of 500?

Solution: \(\dfrac{10}{100}*500=50\)

Example 2: 10 is what percent of 500?

Solution: \(\dfrac{10}{500}*100=2 \% \)

Example 3: What is the percent increase/decrease from 100 to 250?

Solution: \(\left(\dfrac{250-100}{100}\right)*100=+150 \% \)

For calculating percentages using above percentage calculator, you have to just write the values in the given input boxes and press the calculate button, you will get the result.