-30.07% is the change from 908 to 635
Calculation steps:
[( 635 - 908 ) ÷ 908] x 100 = -30.07%
Formula
Percentage change = [(635 - 908) / 908] x 100
Subtract the new number by the original number
635 - 908 = -273
-273 ÷ 908 = -0.30066079295154186
-0.30066079295154186 x 100 = -30.07%
Example