7637.5% is the change from 8 to 619
Calculation steps:
[( 619 - 8 ) ÷ 8] x 100 = 7637.5%
Formula
Percentage change = [(619 - 8) / 8] x 100
Subtract the new number by the original number
619 - 8 = 611
611 ÷ 8 = 76.375
76.375 x 100 = 7637.5%
Example