-91.61% is the change from 942 to 79
Calculation steps:
[( 79 - 942 ) ÷ 942] x 100 = -91.61%
Formula
Percentage change = [(79 - 942) / 942] x 100
Subtract the new number by the original number
79 - 942 = -863
-863 ÷ 942 = -0.916135881104034
-0.916135881104034 x 100 = -91.61%