-98.83% is the change from 768 to 9
Calculation steps:
[( 9 - 768 ) ÷ 768] x 100 = -98.83%
Formula
Percentage change = [(9 - 768) / 768] x 100
Subtract the new number by the original number
9 - 768 = -759
-759 ÷ 768 = -0.98828125
-0.98828125 x 100 = -98.83%