-56.94% is the change from 908 to 391
Calculation steps:
[( 391 - 908 ) ÷ 908] x 100 = -56.94%
Formula
Percentage change = [(391 - 908) / 908] x 100
Subtract the new number by the original number
391 - 908 = -517
-517 ÷ 908 = -0.5693832599118943
-0.5693832599118943 x 100 = -56.94%