-89.24% is the change from 790 to 85
Calculation steps:
[( 85 - 790 ) ÷ 790] x 100 = -89.24%
Formula
Percentage change = [(85 - 790) / 790] x 100
Subtract the new number by the original number
85 - 790 = -705
-705 ÷ 790 = -0.8924050632911392
-0.8924050632911392 x 100 = -89.24%