A Pie Chart Is Not Used To Display. Dont Present Two or More Pies. Also when there are similar sized categories it can be difficult to interpret so keep that in mind.
Understanding Pie Charts from eagereyes.org
Now Right click in your pie chart. Sep 21 2016 Step 1. The slices are labeled and the numbers corresponding to each slice is also represented in the chart.
Its cleaner to label your data directly.
It is not suitable to use pie charts to compare between different parts instead it should be used for showing the relationship between partial and overall elements. The additional parameters are used to control labels color title etc. Usually you want to show percentages. But if you have 20 divisions it may not be the right choice.
