-49.83% is the change from 907 to 455
Calculation steps:
[( 455 - 907 ) ÷ 907] x 100 = -49.83%
Formula
Percentage change = [(455 - 907) / 907] x 100
Subtract the new number by the original number
455 - 907 = -452
-452 ÷ 907 = -0.49834619625137816
-0.49834619625137816 x 100 = -49.83%