-51.22% is the change from 939 to 458
Calculation steps:
[( 458 - 939 ) ÷ 939] x 100 = -51.22%
Formula
Percentage change = [(458 - 939) / 939] x 100
Subtract the new number by the original number
458 - 939 = -481
-481 ÷ 939 = -0.5122470713525027
-0.5122470713525027 x 100 = -51.22%