-56.98% is the change from 939 to 404
Calculation steps:
[( 404 - 939 ) ÷ 939] x 100 = -56.98%
Formula
Percentage change = [(404 - 939) / 939] x 100
Subtract the new number by the original number
404 - 939 = -535
-535 ÷ 939 = -0.56975505857295
-0.56975505857295 x 100 = -56.98%