Go to a dashboard and click on Add gadget.
Search for Multiple Filters Pie Chart Gadget and click on Add gadget next to it.

Settings	Description	Default
Title	The title of the gadget
Color Scheme	Select the color scheme for the pie chart Basic Contrasting Shades Warm Custom	Basic
Add Filter	Click to add filter ^{*Up to 12 filters can be added}
Filter n	Select the filter(s) or enter JQL to plot the bar chart.
Alias n	Display name for Filter n
Color n	Pie color for Filter n
Value Type	Select the value type for the pie chart Issue Count Percentage	Issue Count
Display Type	Select whether to display pie chart, data table or both Pie Chart Only Data Table Only Pie Chart and Data Table	Pie Chart Only
Data Labels	Select whether to show/hide data labels in pie chart	Hide