-42.78% is the change from 942 to 539
Calculation steps:
[( 539 - 942 ) ÷ 942] x 100 = -42.78%
Formula
Percentage change = [(539 - 942) / 942] x 100
Subtract the new number by the original number
539 - 942 = -403
-403 ÷ 942 = -0.4278131634819533
-0.4278131634819533 x 100 = -42.78%