-91.51% is the change from 942 to 80
Calculation steps:
[( 80 - 942 ) ÷ 942] x 100 = -91.51%
Formula
Percentage change = [(80 - 942) / 942] x 100
Subtract the new number by the original number
80 - 942 = -862
-862 ÷ 942 = -0.9150743099787686
-0.9150743099787686 x 100 = -91.51%