How to: Display Percentage Values on a Pie Chart (Report Builder 3.0 and SSRS)
By default, categories are shown in the legend to identify each value. If you have labeled the pie chart using category labels, you may want show percentages in the legend.
Note
You can create and modify report definitions (.rdl) in Report Builder 3.0 and in Report Designer in Business Intelligence Development Studio. Each authoring environment provides different ways to create, open, and save reports and related items. For more information, see Designing Reports in Report Designer and Report Builder 3.0 (SSRS) on the Web at microsoft.com.
To display percentage values as labels on a pie chart
Add a pie chart to your report. For more information, see How to: Add a Chart to a Report (Report Builder 3.0 and SSRS).
On the design surface, right-click on the pie and select Show Data Labels. The data labels should appear within each slice on the pie chart.
On the design surface, right-click on the labels and select Series Label Properties. The Series Label Properties dialog box appears.
Type #PERCENT for the Label data option.
(Optional) To specify how many decimal places the label shows, type "#PERCENT{Pn}" where n is the number of decimal places to display. For example, to display no decimal places, type "#PERCENT{P0}".
To display percentage values in the legend of a pie chart
On the design surface, right-click on the pie chart and select Series Properties. The Series Properties dialog box displays.
In Legend, type #PERCENT for the Custom legend text property.