It debuted at #11 on the Hot 100 with 137k sold and it wasn't even her lead single, PI will be lucky to even reach that position, it probably won't even get to 137k sold after 2 weeks.
It makes you think, if Gaga had released a listenable song, would this still have happened?
I think so. Rise has about as much replay value as Perfect Illusion, so the fact that it took it 3 months to fall to the same place it's taken the other one a week to reach, implies that things are generally worse with GaGa.