A Donut Chart (Donut Graph) is a variation of a Pie Chart, which has a blank center. It also illustrates proportions, and its center can contain additional information about the data it shows.
Donut Chart with Range Palette
Here is a donut chart with customized colors. Legend is enabled and placed at the bottom of the chart's plot. This chart displays ACME Corp. revenue from cosmetic sales.
Employee Count by Country
Sunburst Chart: the number of employees