-98.83% is the change from 766 to 9
Calculation steps:
[( 9 - 766 ) ÷ 766] x 100 = -98.83%
Formula
Percentage change = [(9 - 766) / 766] x 100
Subtract the new number by the original number
9 - 766 = -757
-757 ÷ 766 = -0.9882506527415144
-0.9882506527415144 x 100 = -98.83%