The VP of sales at AW Computing utilizes a Lead report grouped by Country and...

The PARENTGROUPVAL function is a formula function that returns the value of a parent group in a report. It can be used to compare values across different groupings and show relative performance. In this case, the administrator can use this function to show the lead source effectiveness for each country by calculating the percentage of leads from each lead source divided by the total number of leads for each country. References: https://help.salesforce.com/s/articleView?id=sf.reports_formulas_parentgroupval.htm &type=5