9862.5% is the change from 8 to 797
Calculation steps:
[( 797 - 8 ) ÷ 8] x 100 = 9862.5%
Formula
Percentage change = [(797 - 8) / 8] x 100
Subtract the new number by the original number
797 - 8 = 789
789 ÷ 8 = 98.625
98.625 x 100 = 9862.5%
Example