Unfortunately, some people have over 100% of cases completed on time. This is due to the fact that cases started in one month and completed in the next are counted as " infinity% ".
What can I do?
First, you can try to use the Sum() function to calculate the number of issues resolved within seven workdays. It has proven to work more efficiently than the Count() function.
The other thing, the formula looks at resolved issues, but the measure “Issues created” is used in the filter. That, in combination with the Time dimension, makes the formula count issues that were created within that month, not resolved. It accounts for some strange results like you noted. You can change that by using the measure “Issues resolved”.
See the formula below:
Sum(
Filter(
Descendants([Issue].CurrentHierarchyMember,[Issue].[Issue]),
Not IsEmpty([Measures].[Issue resolution date])
AND
Datediffworkdays(
DateWithoutTime([Measures].[Issue created date]),
DateWithoutTime([Measures].[Issue resolution date])
)<7
),[Measures].[Issues resolved]
)