-40.39% is the change from 879 to 524
Calculation steps:
[( 524 - 879 ) ÷ 879] x 100 = -40.39%
Formula
Percentage change = [(524 - 879) / 879] x 100
Subtract the new number by the original number
524 - 879 = -355
-355 ÷ 879 = -0.40386803185437997
-0.40386803185437997 x 100 = -40.39%