7112.5% is the change from 8 to 577
Calculation steps:
[( 577 - 8 ) ÷ 8] x 100 = 7112.5%
Formula
Percentage change = [(577 - 8) / 8] x 100
Subtract the new number by the original number
577 - 8 = 569
569 ÷ 8 = 71.125
71.125 x 100 = 7112.5%
Example