-52.93% is the change from 939 to 442
Calculation steps:
[( 442 - 939 ) ÷ 939] x 100 = -52.93%
Formula
Percentage change = [(442 - 939) / 939] x 100
Subtract the new number by the original number
442 - 939 = -497
-497 ÷ 939 = -0.5292864749733759
-0.5292864749733759 x 100 = -52.93%