-3.08% is the change from 908 to 880
Calculation steps:
[( 880 - 908 ) ÷ 908] x 100 = -3.08%
Formula
Percentage change = [(880 - 908) / 908] x 100
Subtract the new number by the original number
880 - 908 = -28
-28 ÷ 908 = -0.030837004405286344
-0.030837004405286344 x 100 = -3.08%