To calculate a percentage of some number, change the This gives us another way to calculate the percentage of a number (or percentage of some quantity): We can also write those percentages as decimals: In these expressions, the word “of” translates into multiplication: Similarly, finding 60% of a number means finding 60/100 (or 6/10) of it. You have learned that to find 1% of a number means finding 1/100 of The concepts and ideas of this lesson are also explained in this video:
Subtracting percentages with a calculator how to#
Learn the basics of how to calculate percentages of quantities in this easy lesson! To find a percentage of any number, use this generic guideline of TRANSLATION: Change the percentage into a decimal, and the word "of" into multiplication. This calculation would give you the percent difference between the two products' prices.Menu How to calculate a percentage of a number For example, you may want to determine how much a product cost last year versus how much a similar product costs for the current year. You can also use percentages to compare two related items. Related: What Is the Percentage Increase Formula? With Examples Percentage difference 0.6 x $20 = $12Īdd the price of the original ticket and the amount of increase to find the new ticket price. Then, multiply the decimal by the original price. What is the price of this year's ticket?ĭivide the percentage increase by 100 to determine its decimal form. Two years ago, a football ticket was $20. The $30 price is discounted by $6 for a total of $24. Multiply the decimal by the original price to get the discount amount. Calculating the sale priceįind the sale price if a 20% discount is allowed off the marked price of $30.Ĭonvert the percentage to a decimal. Related: How To Calculate Percentage Decrease (With Examples) 2. You can double-check your answer by dividing $400 by 100. $ 120 x 100 = $12,000ĭivide the result of the multiplication by the percentage. What was the original price?įind the percentage of the original or real number. The price of a laptop was reduced by 30% to $120. Here are a few examples of finding the percentage in certain situations: 1. Related: What Does a Finance Manager Do? Percentage calculation examples Multiply the percentage by the total valueĭivide the value 2 by the total 5 and multiply by 100ĭivide the ending number 2 by the percentage 45% All three can be solved by calculating for the missing part of the percentage formula: Percentage = (Value / Total value) × 100 These include finding the ending number, finding the percentage and finding the starting number. There are three common types of percentage problems you could see in personal or work settings. Related: How To Calculate the Percentage of a Number Types of percentage problems For example:įor a fraction, calculate the decimal first, then multiply the decimal by 100: If you're required to convert a decimal number like 0.57 into a percentage, multiply it by 100. However, if it's a fraction, like 3/20, first divide the numerator (the top number 3) by the denominator (the bottom number 20) to get the decimal. If the number to be converted to a percentage is a decimal like 0.57, you may not need to do anything before you go on to the next step. Turn the number into a decimal (if needed) The number's initial format will determine the next mathematical process carried out on the number.Ģ. For example, a decimal number is 0.57 a fraction is 3/20. The number to be converted to a percentage can either be in decimal or fraction form.
Determine the format of the initial number
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