![]() ![]() Another way is to add a decimal point after the whole number such as 4, and then move the decimal two spaces to the right, fill in each of those empty spaces with a zero, and add a percentage symbol 400. What is the multiplier for a 33% decrease?Ī 33% decrease would mean that the overall percentage would be: \(100\% - 33\% = 67\%\)Ħ7% as a decimal = \(67 \div 100 = 0. The resulting answer is its value as a percentage. What is the multiplier for a 15% increase?Ī 15% increase would mean that the overall percentage would be: \(100 \% + 15 \% = 115 \%\)ġ15% as a decimal = \(115 \div 100 = 1.15\) Then convert this amount to a decimal, before finally multiplying by the number in question. This type of calculation is most convenient when used with a calculator but it is vital to use it when dealing with compound interest questions.įirstly, consider what the overall percentage would be after the figure has had its percentage increase or decrease added or subtracted. This method will allow you to answer the question of how to find a percentage of two numbers. All you need to do is fill in two fields, and the third one will be calculated for you automatically. Using the 10% method, first find 40% of 72 kg:ġ0% = 7.2, so 40% = \(7.2 \times 4 = 28.8\)Ĥ0% of 72 kg is 28.8 kg, so to decrease 72 kg by 40%, subtract 28.8 from 72, which is 43.2 kg. This percentage calculator is a tool that lets you do a simple calculation: what percent of X is Y The tool is pretty straightforward. \Ĩ% of £50 is £4, so to increase £50 by 8%, add the £4 onto the £50, which is £54. To increase 80 by 45, multiply the original amount (80. To convert a decimal to a percentage, multiply by 100 (just move the decimal point 2 places to the right). Using the multiplying method, first find 8% of £50: Convert the total percentage (145) to a multiplier by dividing the total percentage value by 100. Calculating the Original Amount (All percents from 1 to 99) ( Whole Numbers) Calculating the Original Amount (Select percents) ( Whole Numbers) Calculating the Original Amount (Percents that are multiples of 5) ( Whole Numbers) Calculating the Original Amount (Percents that are multiples of 25) ( Whole Numbers) Calculating the Original Amoun. ![]() In the example shown, the formula in D6, copied down, is: C6 total. There is more than one way to find the percentage of an amount. To calculate the amount represented by a percentage when the total is known, use a formula that multiplies the total by the percentage. To increase or decrease an amount by a percentage, first calculate the percentage of the amount and then either add this answer on to increase the quantity, or subtract this answer to decrease the quantity. Increasing and decreasing an amount by a percentage ![]()
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