-45.69% is the change from 904 to 491
Calculation steps:
[( 491 - 904 ) ÷ 904] x 100 = -45.69%
Formula
Percentage change = [(491 - 904) / 904] x 100
Subtract the new number by the original number
491 - 904 = -413
-413 ÷ 904 = -0.45685840707964603
-0.45685840707964603 x 100 = -45.69%