-29.16% is the change from 878 to 622
Calculation steps:
[( 622 - 878 ) ÷ 878] x 100 = -29.16%
Formula
Percentage change = [(622 - 878) / 878] x 100
Subtract the new number by the original number
622 - 878 = -256
-256 ÷ 878 = -0.29157175398633256
-0.29157175398633256 x 100 = -29.16%