7512.5% is the change from 8 to 609
Calculation steps:
[( 609 - 8 ) ÷ 8] x 100 = 7512.5%
Formula
Percentage change = [(609 - 8) / 8] x 100
Subtract the new number by the original number
609 - 8 = 601
601 ÷ 8 = 75.125
75.125 x 100 = 7512.5%
Example