Pie charts are a very popular chart type. We do have some issues with them when it comes to comparing lots of data or similarly sized data but in certain cases they are useful.
Set up a Pie Chart
We feel a more useful trick than the Pie Explosion is pulling out just one or two of the slices. 
Data Labels are especially useful for Pie Charts
Bar of Pie
The video clip shows how you can work with this chart.
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