-43.06% is the change from 504 to 287
Calculation steps:
[( 287 - 504 ) ÷ 504] x 100 = -43.06%
Formula
Percentage change = [(287 - 504) / 504] x 100
Subtract the new number by the original number
287 - 504 = -217
-217 ÷ 504 = -0.4305555555555556
-0.4305555555555556 x 100 = -43.06%