Day 21 - % of Employees Female

21 - % Employees Female = 
VAR _CountTotalEmployees =
    DISTINCTCOUNT ( Employees[EmployeeID] )
VAR _CountFemale =
    CALCULATE (
        DISTINCTCOUNT ( Employees[EmployeeID] ),
        FILTER ( Employees, Employees[Gender] = "Female" )
    )
VAR _Result =
    DIVIDE ( _CountFemale, _CountTotalEmployees )
RETURN
    _Result