-55.2% is the change from 942 to 422
Calculation steps:
[( 422 - 942 ) ÷ 942] x 100 = -55.2%
Formula
Percentage change = [(422 - 942) / 942] x 100
Subtract the new number by the original number
422 - 942 = -520
-520 ÷ 942 = -0.5520169851380042
-0.5520169851380042 x 100 = -55.2%