Excel provides different ways to calculate percentages. For example, you can use Excel to calculate sales tax for purchases, the percentage of correct answers on a test, or the percentage of change between two values. Show Use the provided sample data and the following procedures to learn how to calculate percentages. Calculate the percentage if you know the total and amountLet's say that you answered 42 questions out of 50 correctly on a test. What is the percentage of correct answers?
Calculate the total if you know the amount and percentageLet's say that the sale price of a shirt is $15, which is 25% off the original price. What is the original price? In this example, you want to find 75% of which number equals 15.
Calculate the amount if you know the total and percentageLet's say that want to purchase a computer for $800 and must pay an additional 8.9% in sales tax. How much do you have to pay for the sales tax? In this example, you want to find 8.9% of 800.
Calculate the difference between two numbers as a percentageLet's say that your earnings are $2,342 in November and $2,500 in December. What is the percentage of change in your earnings between these two months? Then, if your earnings are $2,425 in January, what is the percentage of change in your earnings between December and January? You can calculate the difference by subtracting your new earnings from your original earnings, and then dividing the result by your original earnings. Calculate a percentage of increase
Calculate a percentage of decrease
Increase or decrease a number by a percentageLet's say that you spend an average of $113 on food each week, and you want to increase your weekly food expenditures by 25%. How much can you spend? Or, if you want to decrease your weekly food allowance of $113 by 25%, what is your new weekly allowance? Increase a number by a percentage
Decrease a number by a percentage
