how to change the skill "possess"

I tried the ways shown here, but for some reason the original values for possess aren't the same as the values I have:

Code:

C2/17E5:  82
C2/17E6:  ED AA 7B
C2/17E9:  E2 20
C2/17EB:  E4 1E F0
C2/17EE:  48 C2
C2/17F0:  20 BF 34
C2/17F3:  86 ED 85