To be honest it really doesn't matter what position you begin at. Each set is on a different cam so it has no bearing on the other unless you forget to move the cam to the next setting. Just remember to fine tune your adjustments with your small allen screw not the main elevation screw. The main one will make every position change.
Maybe you just need to do that now that I think about it. If the 25 is off then so will the 50. just change your main elevation at the 25 with the main screw and then check your 50 and see if it dropped right in. Just get to know your gun!