-88.93% is the change from 768 to 85
Calculation steps:
[( 85 - 768 ) ÷ 768] x 100 = -88.93%
Formula
Percentage change = [(85 - 768) / 768] x 100
Subtract the new number by the original number
85 - 768 = -683
-683 ÷ 768 = -0.8893229166666666
-0.8893229166666666 x 100 = -88.93%