-42.92% is the change from 939 to 536
Calculation steps:
[( 536 - 939 ) ÷ 939] x 100 = -42.92%
Formula
Percentage change = [(536 - 939) / 939] x 100
Subtract the new number by the original number
536 - 939 = -403
-403 ÷ 939 = -0.4291799787007455
-0.4291799787007455 x 100 = -42.92%