8728.57% is the change from 7 to 618
Calculation steps:
[( 618 - 7 ) ÷ 7] x 100 = 8728.57%
Formula
Percentage change = [(618 - 7) / 7] x 100
Subtract the new number by the original number
618 - 7 = 611
611 ÷ 7 = 87.28571428571429
87.28571428571429 x 100 = 8728.57%