-2.87% is the change from 906 to 880
Calculation steps:
[( 880 - 906 ) ÷ 906] x 100 = -2.87%
Formula
Percentage change = [(880 - 906) / 906] x 100
Subtract the new number by the original number
880 - 906 = -26
-26 ÷ 906 = -0.02869757174392936
-0.02869757174392936 x 100 = -2.87%