-40.55% is the change from 878 to 522
Calculation steps:
[( 522 - 878 ) ÷ 878] x 100 = -40.55%
Formula
Percentage change = [(522 - 878) / 878] x 100
Subtract the new number by the original number
522 - 878 = -356
-356 ÷ 878 = -0.4054669703872437
-0.4054669703872437 x 100 = -40.55%