-55.07% is the change from 908 to 408
Calculation steps:
[( 408 - 908 ) ÷ 908] x 100 = -55.07%
Formula
Percentage change = [(408 - 908) / 908] x 100
Subtract the new number by the original number
408 - 908 = -500
-500 ÷ 908 = -0.5506607929515418
-0.5506607929515418 x 100 = -55.07%