HP Intelligent Management Center Standard Software Platform - Manual (Page 252)

The Insert Summary dialog box appears.
2. Select the field for which you want to calculate the sum.
For example, you may want to insert a field which calculates the sum of
last year's sales.
3. Select Sum in the Calculate this summary list.
4. Select the summary location.
Note:
The summary location cannot be Grand Total (Report Footer) when you
are calculating a percentage.
5. Click the Show as a percentage of check box.
6. Select the group you want the percentage based on.
You can choose to show a percentage of a group within another group,
or show a percentage of the grand total.
7. Click OK. The summary percentage field is added to your report.
252 Crystal Reports 2008 SP3 User's Guide
Sorting, Grouping, and Totaling 10
Percentages