-45.92% is the change from 906 to 490
Calculation steps:
[( 490 - 906 ) ÷ 906] x 100 = -45.92%
Formula
Percentage change = [(490 - 906) / 906] x 100
Subtract the new number by the original number
490 - 906 = -416
-416 ÷ 906 = -0.45916114790286977
-0.45916114790286977 x 100 = -45.92%