DAX measure for calculating Employee exits

[Anonymous]

I have the following 4 tables (there are more tables and columns, but these are the ones that I am concerned with for my calculation) and their respective columns:

1) Date_table (Date, Year, Quarter, Month, Day)
2) Employee_table (Emp_Id, StartDate, EndDate, Termination, Country, Wok_Id)
3) PositWorker_table (Wok_Id, JobType, Department)
4) Worker_table (Wok_Id, Gender, EmploymentCategory)

The following relationships exist between these tables:

1) Employee_table(EndDate) links with Date_table(Date) [Single direction (cross filter), Many:1 relationship]
2) Worker_table(Wok_Id) links with PositWorker_table(Wok_Id) [Single direction (cross filter), Many:1 relationship]
3) Employee_table(Wok_Id) links with Worker_table(Wok_Id) [Single direction (cross filter), Many:1 relationship]

4) Employee_table(Wok_Id) and PositWorker_table(Wok_Id) [Single direction (cross filter), Many:1 relationship]

The following filters are being used on a page level:

1) Employee_table(Termination) is not equal to "Transfer" (there are 5 other options)
2) Worker_table(EmploymentCategory) is not equal to "Intern" or "Working Student" (there are 4 other options)
3) PositWorker_table(JobType) is not equal to "Intern", "Student" or "Blank" (there are 8 other options)

4) PositWorker_table(Department) is not equal to AAD (there are 30 more options)

I am using the following measure:

Exits =
VAR exits =
CALCULATE (
COUNT ( Employee_table[Emp_Id] ),
USERELATIONSHIP ( Employee_table[EndDate], Date_table[Date] ) ,
CROSSFILTER(Worker_table[Wok_Id],PositWorker_table[Wok_Id], Both)
)
RETURN
IF ( ISBLANK ( exits ), 0 , exits )

The results being generated are slightly higher than what should be coming. What changes need to be made in the measure or relationships of the data model so that I get the right answer?

[lbendlin]

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