Basic Percentage formula to calculate percentage is. Lets explore the three basic percentage problems. So 40 would be 40 divided by 100 or40.
This process is the reverse of what you did earlier.
For example if you need to calculate how much sales tax or tip to add to the bill. 1Convert the percent to decimal 2Divide Lets see this with an example 24 is 96 of what number. What is the percentage increasedecrease from to. Percentages may be written as fractions or decimals.