-46.86% is the change from 939 to 499
Calculation steps:
[( 499 - 939 ) ÷ 939] x 100 = -46.86%
Formula
Percentage change = [(499 - 939) / 939] x 100
Subtract the new number by the original number
499 - 939 = -440
-440 ÷ 939 = -0.4685835995740149
-0.4685835995740149 x 100 = -46.86%