Use the Data Labels tab to toggle data labels on each pie chart element.
Table 100. Pie Chart Data Label Properties
Option
Description
Show labels
Toggles the display of pie slice labels.
Show values
Toggles the display of the numeric value of each pie slice.
Show percentages
Toggles the display of the percentage value of each pie slice in a selected number format.
Show lines to labels
Toggles the display a line running from a data label to a selected pie slice.
Show negative values as positive
Toggles the representative display of negative values as pie slices, as opposed to not including them.