-49.94% is the change from 907 to 454
Calculation steps:
[( 454 - 907 ) ÷ 907] x 100 = -49.94%
Formula
Percentage change = [(454 - 907) / 907] x 100
Subtract the new number by the original number
454 - 907 = -453
-453 ÷ 907 = -0.4994487320837927
-0.4994487320837927 x 100 = -49.94%