7612.5% is the change from 8 to 617
Calculation steps:
[( 617 - 8 ) ÷ 8] x 100 = 7612.5%
Formula
Percentage change = [(617 - 8) / 8] x 100
Subtract the new number by the original number
617 - 8 = 609
609 ÷ 8 = 76.125
76.125 x 100 = 7612.5%
Example