-83.55% is the change from 942 to 155
Calculation steps:
[( 155 - 942 ) ÷ 942] x 100 = -83.55%
Formula
Percentage change = [(155 - 942) / 942] x 100
Subtract the new number by the original number
155 - 942 = -787
-787 ÷ 942 = -0.8354564755838642
-0.8354564755838642 x 100 = -83.55%