The percentage formula in Google Sheets revolves around the simple concept of dividing one value by another to represent the ratio between them.

Understanding and applying the percentage formula in Google Sheets can significantly enhance one’s productivity and make working with spreadsheets a lot more efficient. This article walks you through various methods to quickly find percentages.

**Basic Percentage Formula**

The fundamental formula for calculating percentages in Google Sheets is simple: you take the portion, divide it by the total, and then multiply by 100. This formula can be expressed as '(Portion/Total) * 100 = Percentage'. For example, to determine the percentage of $30 out of $200, you would use the formula '($30/$200) * 100', which results in 15%. This calculation shows that $30 is 15% of $200.

To implement this formula in Google Sheets, you can either input the numbers directly or utilize cell references. For instance, if the portion is in cell B1 and the total is in cell B2, your formula would be '= (B1/B2) * 100'. Google Sheets will then automatically compute the percentage based on the values in these cells.

Computing percentages in Google Sheets is versatile and can be adapted to various requirements. Here are some typical approaches-

- Calculate a Fraction of a Total: Apply the formula '=(portion/total)' or 'C1/D1' if you're using cell references. This approach yields a decimal value that you can format as a percentage.
- Calculate and Convert to Percentage: Another method is to use the formula '=(portion/total)*100' or '=(C1/D1)*100' when utilizing cell references. This method provides the result directly as a percentage, bypassing the decimal format.
- Determine Percentage for Specific Conditions: For more intricate calculations, like determining the percentage of cells that satisfy particular conditions, you can employ the 'PERCENTIF' function with the syntax 'PERCENTIF(range, criteria)'. This function formats the outcome as a percentage automatically.

**Google Sheets Format Percentage**

After calculating percentages, you may want to format the results as percentages to make them easier to read and understand. Google Sheets provides a simple way to do this:

- Select the cell(s) containing your percentage values.
- Go to 'Format > Number > Percent' in the Google Sheets menu. This will convert your decimal numbers to percentage format, automatically multiplying them by 100 and adding a percentage sign.

- You can also use the 'TO_PERCENT' function to format the result as a percentage automatically when calculating it, using the syntax 'TO_PERCENT(value)'.

**Incremental Percentage Increase or Decrease**

- Set initial and new values: For example, if an item’s original price (in cell A1) is $100 and the new price (in cell A2) is $120.
- Calculate the percentage change: In a new cell, type =((New-Original)/Original)*100 (e.g., =((A2-A1)/A1)*100). This will give you the percentage increase.

These straightforward methods help you understand changes in values and assess data trends easily in Google Sheets.