-49.78% is the change from 906 to 455
Calculation steps:
[( 455 - 906 ) ÷ 906] x 100 = -49.78%
Formula
Percentage change = [(455 - 906) / 906] x 100
Subtract the new number by the original number
455 - 906 = -451
-451 ÷ 906 = -0.4977924944812362
-0.4977924944812362 x 100 = -49.78%