-50.91% is the change from 939 to 461
Calculation steps:
[( 461 - 939 ) ÷ 939] x 100 = -50.91%
Formula
Percentage change = [(461 - 939) / 939] x 100
Subtract the new number by the original number
461 - 939 = -478
-478 ÷ 939 = -0.5090521831735889
-0.5090521831735889 x 100 = -50.91%