-0.88% is the change from 908 to 900
Calculation steps:
[( 900 - 908 ) ÷ 908] x 100 = -0.88%
Formula
Percentage change = [(900 - 908) / 908] x 100
Subtract the new number by the original number
900 - 908 = -8
-8 ÷ 908 = -0.00881057268722467
-0.00881057268722467 x 100 = -0.88%