-40.43% is the change from 878 to 523
Calculation steps:
[( 523 - 878 ) ÷ 878] x 100 = -40.43%
Formula
Percentage change = [(523 - 878) / 878] x 100
Subtract the new number by the original number
523 - 878 = -355
-355 ÷ 878 = -0.4043280182232346
-0.4043280182232346 x 100 = -40.43%