-37.24% is the change from 878 to 551
Calculation steps:
[( 551 - 878 ) ÷ 878] x 100 = -37.24%
Formula
Percentage change = [(551 - 878) / 878] x 100
Subtract the new number by the original number
551 - 878 = -327
-327 ÷ 878 = -0.3724373576309795
-0.3724373576309795 x 100 = -37.24%