-39.82% is the change from 879 to 529
Calculation steps:
[( 529 - 879 ) ÷ 879] x 100 = -39.82%
Formula
Percentage change = [(529 - 879) / 879] x 100
Subtract the new number by the original number
529 - 879 = -350
-350 ÷ 879 = -0.3981797497155859
-0.3981797497155859 x 100 = -39.82%