4242.86% is the change from 7 to 304
Calculation steps:
[( 304 - 7 ) ÷ 7] x 100 = 4242.86%
Formula
Percentage change = [(304 - 7) / 7] x 100
Subtract the new number by the original number
304 - 7 = 297
297 ÷ 7 = 42.42857142857143
42.42857142857143 x 100 = 4242.86%