What do y’all have in Math?

I got a 66%, i used to be an A+ student. ಥ ʖಥ

I had to search up what my grade was and i got this (i live in america btw):
A is 90% to 100%
B is 80% to 89%
C is 70% to 79%
D is 60% to 69%
F is 59% and below