-36.45% is the change from 878 to 558
Calculation steps:
[( 558 - 878 ) ÷ 878] x 100 = -36.45%
Formula
Percentage change = [(558 - 878) / 878] x 100
Subtract the new number by the original number
558 - 878 = -320
-320 ÷ 878 = -0.36446469248291574
-0.36446469248291574 x 100 = -36.45%