-89.81% is the change from 481 to 49
Calculation steps:
[( 49 - 481 ) ÷ 481] x 100 = -89.81%
Formula
Percentage change = [(49 - 481) / 481] x 100
Subtract the new number by the original number
49 - 481 = -432
-432 ÷ 481 = -0.8981288981288982
-0.8981288981288982 x 100 = -89.81%