Use Composition charts to display compositions or proportions.
The following are the various Composition charts that are available in Dashboard Designer:
A circular chart that displays data in terms of proportions and percentages. The chart is a circular chart that is divided into slices based on proportions or percentages. Use a Pie chart to compare proportions of the different metrics values that form the entire data.
A Donut chart is a variant of the Pie chart where you can plot multiple data series.