Pie and Donut Graphs

Pie and donut graphs typically show one series of data points with each data point shown as a percentage of a whole.

You can see the relative values in a series of data.

Donut graph
Donut Graph

You can create pie and donut graphs that show more than one series; the series are shown in concentric circles. Multiseries pie and donut graphs can be useful in comparing series of data.