-83.33% is the change from 942 to 157
Calculation steps:
[( 157 - 942 ) ÷ 942] x 100 = -83.33%
Formula
Percentage change = [(157 - 942) / 942] x 100
Subtract the new number by the original number
157 - 942 = -785
-785 ÷ 942 = -0.8333333333333334
-0.8333333333333334 x 100 = -83.33%