-47.28% is the change from 939 to 495
Calculation steps:
[( 495 - 939 ) ÷ 939] x 100 = -47.28%
Formula
Percentage change = [(495 - 939) / 939] x 100
Subtract the new number by the original number
495 - 939 = -444
-444 ÷ 939 = -0.4728434504792332
-0.4728434504792332 x 100 = -47.28%