In Excel: select your labels and values, then Insert ▸ Chart ▸ Pie. To show each slice as a percentage, the share of a value is =value/SUM(range).
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Lay out your categories in one column and their values in the next.
Select both columns, then Insert ▸ Chart and choose Pie (or Doughnut).
Turn on data labels and set them to show percentage.
To compute a share in a cell, use =value/SUM(range) and format as a percentage.
What this does
A pie chart shows how parts make up a whole, with each slice sized by its share of the total. It works best with a handful of categories that add to a meaningful 100% — market share, budget split, survey responses. Beyond five or six slices it gets hard to read, where a bar chart usually communicates better. The same idea underpins a lot of everyday Excel work, so the few minutes spent getting it right here pay back across every sheet you build afterwards. Treat it as a pattern, not a one-off, and it stops being something you look up and starts being something you reach for. The difference between a quick fix and a sheet you can trust is the extra minute you spend validating “excel exploding pie chart”. Start on a copy or a tiny sample, keep the affected chart visible, and compare the result with the outcome you expected before you touch the real workbook. When this is a ribbon command, the selection matters more than the button: confirm the range, apply the command, then spot-check the output before saving. The point is a visual that makes the number obvious at a glance, but the practical win is that someone else can open the file and understand what happened without asking you.
A worked example
With quarters Q1–Q4 valued 30, 45, 15, 60 (total 150), each slice is value/total: Q4 is 60/150 = 40% of the pie. In a cell, =B2/SUM($B$2:$B$5) gives that share; format it as a percentage and add data labels so the slices are annotated. The donut above recomputes every slice as you edit the values. A pie chart is the fastest way to make a composition obvious — where the money goes, who holds what share. Used on the right data (a few parts of one whole) it is instantly readable to any audience. When the result is not what you expected, undo straight away rather than repairing it by hand — undo restores the sheet exactly, while manual fixes tend to leave small inconsistencies behind that surface later.
In Google Sheets
This is a command rather than a formula, so there is no syntax to carry over. Google Sheets arranges its commands in menus across the top instead of a ribbon, names some of them differently and does not have every Excel command — look for the equivalent in the Sheets menus or its help before assuming the steps match. The aim was to get you unstuck fast and leave you a little more capable than a copy-paste would. The answer is at the top and the detail above shows why it holds — so the next time a colleague asks, you can answer without reaching for search. Treat “excel exploding pie chart” as a routine rather than a one-off. Once you know which setting or command controls it, the same few steps handle every workbook where it comes up in Excel, and you can explain them to a colleague in a sentence.
Common mistakes
- Using a pie for more than ~6 categories, where slices blur together — switch to a bar chart.
- Plotting values that do not sum to a meaningful whole, so percentages mislead.
- Including a total row in the data, which adds a giant 50% slice.
- Relying on colour alone; add labels so the chart is readable in greyscale.
Frequently asked questions
How do I show percentages on each slice?
Add data labels, then in label options tick “Percentage”. Excel computes each slice’s share of the total automatically.
Pie or bar chart?
Pie suits a few parts of one whole; bar charts compare many categories or values that do not sum to 100%. When in doubt, use a bar chart — it is easier to read.
Why does my pie look wrong?
Usually a stray total row or a blank category is included. Plot only the category/value pairs that add to your whole.