-52.29% is the change from 939 to 448
Calculation steps:
[( 448 - 939 ) ÷ 939] x 100 = -52.29%
Formula
Percentage change = [(448 - 939) / 939] x 100
Subtract the new number by the original number
448 - 939 = -491
-491 ÷ 939 = -0.5228966986155484
-0.5228966986155484 x 100 = -52.29%