-49.56% is the change from 906 to 457
Calculation steps:
[( 457 - 906 ) ÷ 906] x 100 = -49.56%
Formula
Percentage change = [(457 - 906) / 906] x 100
Subtract the new number by the original number
457 - 906 = -449
-449 ÷ 906 = -0.4955849889624724
-0.4955849889624724 x 100 = -49.56%