-46.65% is the change from 939 to 501
Calculation steps:
[( 501 - 939 ) ÷ 939] x 100 = -46.65%
Formula
Percentage change = [(501 - 939) / 939] x 100
Subtract the new number by the original number
501 - 939 = -438
-438 ÷ 939 = -0.46645367412140576
-0.46645367412140576 x 100 = -46.65%