Togetic was PU before it rose to RU. It skipped NU, therefore it will go back to PU.Time for the monthly cringworthy predicted drops/wishlist :)
OU to UU:
(ik its a stretch but ehh its really mediocre in OU atm)
UU to RU:
(hopefully instaban lol)
RU to NU:
NU to PU:
As for rises, I can see Tangrowth in OU and Garbador and maybe Malamr to RU. Don't really know about the rest.