-43.45% is the change from 504 to 285
Calculation steps:
[( 285 - 504 ) ÷ 504] x 100 = -43.45%
Formula
Percentage change = [(285 - 504) / 504] x 100
Subtract the new number by the original number
285 - 504 = -219
-219 ÷ 504 = -0.43452380952380953
-0.43452380952380953 x 100 = -43.45%