Which site's wowy counting system is better?

[SpreeS]

I am confused a little bit. Why are the numbers so different?

GSW PO 2019-2023

https://www.addmorefunds.com/nba/wowy/

Curry w/o Green 429min 902pos 118.6ortg 112.3drtg +6.3nrtg
Green w/o Curry 247min 508pos 106.9ortg 107.5drtg -0.6nrtg

https://www.pbpstats.com/wowy/nba?Season=2018-19,2021-22,2022-23&SeasonType=Playoffs&TeamId=1610612744&Type=Team&0Exactly1OnFloor=203110&1Exactly1OffFloor=201939

Curry w/o Green 429min 910pos 117.4ortg 113.9drtg +3.5nrtg
Green w/o Curry 247min 489pos 111.9ortg 109.0drtg +2.9nrtg