How come 7%(-3)=-2?

Answer 1

but i tried it in python2.7 and it give -2.

Answer 2

according to stackexchange:
7/(-3)=-2.3333...
floor(-2.3333...)=-3
-3*-3=9
7-9=-2

Answer 3

i just tried it and it outputs 1
maybe you used / instead of %

Answer 4

if you saw that in a challenge I think it's an error. There are many error on challenges