4785.71% is the change from 7 to 342
Calculation steps:
[( 342 - 7 ) ÷ 7] x 100 = 4785.71%
Formula
Percentage change = [(342 - 7) / 7] x 100
Subtract the new number by the original number
342 - 7 = 335
335 ÷ 7 = 47.857142857142854
47.857142857142854 x 100 = 4785.71%