The Attendance Totals By Event report shows the number of scouts and adults who participated in each event within the selected date range.
The report is grouped by type of event, with a separate section for each event type.
Select Attendance Totals By Event from the Event Reports submenu of the Calendar menu to see a page like the one below.
Enter the date range for which you'd like to produce the report, then click Continue.
Here is a sample of this report: