6728.57% is the change from 7 to 478
Calculation steps:
[( 478 - 7 ) ÷ 7] x 100 = 6728.57%
Formula
Percentage change = [(478 - 7) / 7] x 100
Subtract the new number by the original number
478 - 7 = 471
471 ÷ 7 = 67.28571428571429
67.28571428571429 x 100 = 6728.57%