# How to Calculate Percentage: The Ultimate Guide

## You've come to the correct spot if you're trying to calculate percentages. This tutorial will show you how to figure out how much to tip at a restaurant, calculate your grades, or work out a discount on your current shopping spree.

### This article will cover everything from the fundamentals of percentages to more sophisticated computations. So saddle up and let's get started!

#### What is a percentage?

A percentage is a technique of representing a fraction or ratio as a number out of 100. For example, if you have 10 apples and wish to communicate how many of them are red, you may say "4 out of 10" or "40%".

To calculate a percentage, divide the number you wish to express as a percentage by the overall number and then multiply by 100. For example, if you had four red apples out of ten, you would perform the following calculation:

4 / 10 x 100 = 40%

#### How to Work Out 40% of 80

Working out 40% of 80 is a simple percentage calculation. To do this, you can use the following formula:

40 / 100 x 80 = 32

So, 40% of 80 is 32.

#### How to Find 20 Percent of a Number

To find 20 percent of a number, you can use the same formula as above:

20 / 100 x number = 20% of the number

For example, if you want to find 20% of 50, you would do the following calculation:

20 / 100 x 50 = 10

So, 20% of 50 is 10.

#### How to Calculate a Percentage Between Two Numbers

You must first determine the difference between the two values in order to compute a percentage between them. The next step is to multiply by 100 and then divide the difference by the initial number.

For instance, you would do the math below to get the percentage increase from 50 to 75:

(75 - 50) / 50 x 100 = 50%

Hence, the increase in percentage from 50 to 75 is 50%.

#### How to Find 15 Percent of a Number

To find 15% of a number, you can use the same formula as above:

15 / 100 x number = 15% of the number

For example, if you want to find 15% of 200, you would do the following calculation:

15 / 100 x 200 = 30

So, 15% of 200 is 30.

*You may utilize your ability to calculate percentages in a variety of scenarios. This tutorial has showed you how to do it all, whether you need to figure out a tip, compute your grades, or locate a discount.*

**Do not forget that in order to compute a %, you must first divide the amount you wish to represent as a percentage by the whole amount, and then multiply the result by 100. With the formulae and examples in this manual, you ought to be well on your way to mastering percentages.**

*Hence, the next time you need to calculate a percentage, don't stress; simply follow the instructions we've provided, and you'll be OK. Good fortune!*