-29.24% is the change from 879 to 622
Calculation steps:
[( 622 - 879 ) ÷ 879] x 100 = -29.24%
Formula
Percentage change = [(622 - 879) / 879] x 100
Subtract the new number by the original number
622 - 879 = -257
-257 ÷ 879 = -0.2923777019340159
-0.2923777019340159 x 100 = -29.24%