Pieces (slices) of the pie are drawn to depict the relative value of a measurable item category to the whole. Pie charts represent additional dimensions of data by further subdividing the pie.
Showing Negative and Positive Values
Pie slices can show both positive values and negative values.
To toggle the display of negative values, select a slice of the pie and select Show Negative Values on the shortcut menu.
Pie slice values can be expressed as a percentage.
To toggle the display of each pie slice value as a percentage, select a slice of the pie and choose Show Pie Percentages on the shortcut menu.