-90.98% is the change from 942 to 85
Calculation steps:
[( 85 - 942 ) ÷ 942] x 100 = -90.98%
Formula
Percentage change = [(85 - 942) / 942] x 100
Subtract the new number by the original number
85 - 942 = -857
-857 ÷ 942 = -0.9097664543524416
-0.9097664543524416 x 100 = -90.98%