8157.14% is the change from 7 to 578
Calculation steps:
[( 578 - 7 ) ÷ 7] x 100 = 8157.14%
Formula
Percentage change = [(578 - 7) / 7] x 100
Subtract the new number by the original number
578 - 7 = 571
571 ÷ 7 = 81.57142857142857
81.57142857142857 x 100 = 8157.14%