I still am not following.
For my 7PRC - if I have 100 yard zero, it's 65.19 MOA to 2000 yards
If I have 103 yard zero, it's 65.17 MOA to 2000 yards.
But if you're off by just 3 yards at 2000 (you put in 2000 and it's really 2003 yards), now your come up is 65.37, almost a full click more - so...