8757.14% is the change from 7 to 620
Calculation steps:
[( 620 - 7 ) ÷ 7] x 100 = 8757.14%
Formula
Percentage change = [(620 - 7) / 7] x 100
Subtract the new number by the original number
620 - 7 = 613
613 ÷ 7 = 87.57142857142857
87.57142857142857 x 100 = 8757.14%