Well, yes you are right. I am stuck here: I don't understand what to do.
Is it:
IIf(Nz()Dcount())/IIf(Nz()Dcount()) ??
I tried this:
=IIf(Nz([cboDeptStats],0)=0,0,DCount("tTaskPK","Q_task_CompStats","tTaskDueDate>=tTaskComplDate AND Month([tTaskDueDate]) = 6 AND...