10062.5% is the change from 8 to 813
Calculation steps:
[( 813 - 8 ) ÷ 8] x 100 = 10062.5%
Formula
Percentage change = [(813 - 8) / 8] x 100
Subtract the new number by the original number
813 - 8 = 805
805 ÷ 8 = 100.625
100.625 x 100 = 10062.5%
Example