-48.78% is the change from 939 to 481
Calculation steps:
[( 481 - 939 ) ÷ 939] x 100 = -48.78%
Formula
Percentage change = [(481 - 939) / 939] x 100
Subtract the new number by the original number
481 - 939 = -458
-458 ÷ 939 = -0.48775292864749736
-0.48775292864749736 x 100 = -48.78%