-36.52% is the change from 879 to 558
Calculation steps:
[( 558 - 879 ) ÷ 879] x 100 = -36.52%
Formula
Percentage change = [(558 - 879) / 879] x 100
Subtract the new number by the original number
558 - 879 = -321
-321 ÷ 879 = -0.3651877133105802
-0.3651877133105802 x 100 = -36.52%