-2.84% is the change from 879 to 854
Calculation steps:
[( 854 - 879 ) ÷ 879] x 100 = -2.84%
Formula
Percentage change = [(854 - 879) / 879] x 100
Subtract the new number by the original number
854 - 879 = -25
-25 ÷ 879 = -0.02844141069397042
-0.02844141069397042 x 100 = -2.84%