-98.84% is the change from 775 to 9
Calculation steps:
[( 9 - 775 ) ÷ 775] x 100 = -98.84%
Formula
Percentage change = [(9 - 775) / 775] x 100
Subtract the new number by the original number
9 - 775 = -766
-766 ÷ 775 = -0.9883870967741936
-0.9883870967741936 x 100 = -98.84%