-57.08% is the change from 939 to 403
Calculation steps:
[( 403 - 939 ) ÷ 939] x 100 = -57.08%
Formula
Percentage change = [(403 - 939) / 939] x 100
Subtract the new number by the original number
403 - 939 = -536
-536 ÷ 939 = -0.5708200212992546
-0.5708200212992546 x 100 = -57.08%