Why does POTM Didi have a bigger secondary penalty than POTM Correa?

SDS

Correas base fielding is 80, Didis is 81. When put in secondary positions, they both have 76.

Why is this?

SDS

Percentage round off... It's 5% not 5

SDS

Oh....I though it was just minus 4 for everyone because I tested with everybody, thanks