7242.86% is the change from 7 to 514
Calculation steps:
[( 514 - 7 ) ÷ 7] x 100 = 7242.86%
Formula
Percentage change = [(514 - 7) / 7] x 100
Subtract the new number by the original number
514 - 7 = 507
507 ÷ 7 = 72.42857142857143
72.42857142857143 x 100 = 7242.86%