# Data Analysis Basics. How to Get Percentage in Google Sheets

## Manual Calculation of Percentage in Google Sheets #

To calculate percentages manually in Google Sheets, you can utilize simple mathematical formulas. Here's how you can do it:

1. Open a Google Sheets document.
2. Enter the numerical value for the percentage you want to calculate in a cell.
3. Enter the total value in another cell.
4. In a third cell, write your formula to calculate the percentage. The formula should be: `=(value/total)*100`, where "value" is the numerical value you entered, and "total" is the total value you entered.
5. Press Enter to see the calculated percentage.

For example, let's say you want to calculate the percentage of sales achieved. If the sales value is \$3,000 and the total sales are \$10,000, the formula would be `=(3000/10000)*100`, resulting in 30%.

## Google Apps Script for Percentage Calculation #

If you frequently need to calculate percentages in Google Sheets, you can automate the process using Google Apps Script. Here's an example of how you can create a custom function:

1. Open your Google Sheets document.
2. Click on "Extensions" in the top menu and select "Apps Script."
3. A new tab will open with a default code.gs file. Replace the existing code with the following script:
``function calculatePercentage(value, total) {  return (value / total) * 100;}``
1. Save the script by clicking on the floppy disk icon or pressing Ctrl + S.
2. Close the Apps Script tab, and you will be back in your Google Sheets document.
3. Now you can use the `calculatePercentage` function in any cell. For example, to calculate the percentage of sales achieved, enter `=calculatePercentage(3000, 10000)` in a cell. This will automatically display the calculated percentage.

## Use Case Examples #

### Example 1: Grade Percentage Calculation #

Imagine you have a list of students' exam scores, and you want to calculate the percentage each student scored out of 100. You can use the manual method or the custom Google Apps Script function to calculate the percentages quickly for all students.

### Example 2: Sales Conversion Rate Calculation #

Suppose you have a dataset of sales leads, and you want to analyze the conversion rate of those leads into actual sales. By using either the manual method or the custom Google Apps Script function, you can calculate the percentage of leads that resulted in sales and gain insights from the data.

### Example 3: Budget Allocation Calculation #

In a business setting, you may need to allocate budgets to different departments based on their performance. By calculating the percentage of revenue generated by each department using the manual method or the custom Google Apps Script function, you can better determine the appropriate budget allocation.

By utilizing these methods, you can easily calculate percentages in Google Sheets, allowing you to perform data analysis and gain meaningful insights.

How to get data from another sheet in Google Sheets can be done using the IMPORTRANGE function.
To apply a formula to an entire column in Google Sheets, you can simply enter the formula in the header cell of the column.
Sorting by number in Google Sheets can be achieved by selecting the column to sort and using the "Sort Range" option.
You can sort by column in Google Sheets by selecting the range you want to sort and choosing the "Sort Range" option.
Calculating percentages in Google Sheets can be done using simple formulas with the percentage symbol.

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