-52.5% is the change from 939 to 446
Calculation steps:
[( 446 - 939 ) ÷ 939] x 100 = -52.5%
Formula
Percentage change = [(446 - 939) / 939] x 100
Subtract the new number by the original number
446 - 939 = -493
-493 ÷ 939 = -0.5250266240681576
-0.5250266240681576 x 100 = -52.5%