-50.51% is the change from 879 to 435
Calculation steps:
[( 435 - 879 ) ÷ 879] x 100 = -50.51%
Formula
Percentage change = [(435 - 879) / 879] x 100
Subtract the new number by the original number
435 - 879 = -444
-444 ÷ 879 = -0.5051194539249146
-0.5051194539249146 x 100 = -50.51%