The calculator provided automatically converts the input percentage into a decimal to compute the solution. P is the percentage, V 1 is the first value that the percentage will modify, and V 2 is the result of the percentage operating on V 1. Percentage formulaĪlthough the percentage formula can be written in different forms, it is essentially an algebraic equation involving three values. In other words, the ratio of 25 males to students in the classroom is equivalent to 50% of students in the classroom being male. The value of the ratio is therefore 0.5, and multiplying this by 100 yields: For example, if 25 out of 50 students in a classroom are male. Percentages are computed by multiplying the value of a ratio by 100. For example, 35% is equivalent to the decimal 0.35, or the fractions. They can also be denoted by writing "percent" or "pct" after the number. Percentages are often denoted by the symbol "%" written after the number. It is one of the ways to represent a dimensionless relationship between two numbers other methods include ratios, fractions, and decimals. In mathematics, a percentage is a number or ratio that represents a fraction of 100. Please provide any two values below and click the "Calculate" button to get the third value. Let's imagine you've spent $450 shopping abroad and you'd like to have the taxes returned – 20%.Home / math / percentage calculator Percentage Calculator Find amount when having total and percentage Now that you've learned how to operate percentages, I hope getting total and the amount will be a child's play. =(B3-$B$2)/$B$2 Amount and total by percentage in Google spreadsheets For that, make the reference to this cell absolute instead of relative so it doesn't change after copying the formula to other cells: If you take the same sales list and decide to calculate percentage change based on January only, you will have to always refer to the same cell – B2. Here I also coloured percentage decrease with red. To make sure my formula works correctly, I should start entering it from the second row of my table – C3:Ĭopy the formula over all rows with data, apply the percent format, decide on the number of decimals, and voila: This time, I'm tracking total sales (column B) over each month (column A). I also used conditional formatting to highlight cells with percent increase with red and percent decrease with green: Don't forget to apply the percent format and adjust the number of decimal places. What part of the total is composed of all deliveries of that fruit? The SUMIF function will help answer that: Now, suppose a fruit appears more than once in your table. One item takes a few rows – all rows are part of the total I also formatted the results as percent and left 2 decimals to display: Thus, each new record will be calculated based on the sum in $B$8: This type of reference (absolute, with a dollar sign) doesn't change when you copy the formula to other cells. To find the percentage of the total for each fruit, use the same basic formula as before but with a slight difference – an absolute reference to the cell with the total sum. Their total resides at the very end of the data: B8. I believe this is the most common case: you have a table with values in column B. Let's see what else Google Sheets offers. ![]() Though the previous shows the same, it works great for that example but may not be enough for other data set. Here are a few more examples of calculating percentage of a total. ![]() Percentage of a total in a Google spreadsheet ![]() I removed all decimal places making the formula show the result as a rounded percent. Here's how the result looks on real data: You can decrease and increase decimal places if necessary using the options from the Google toolbar:
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