3042.86% is the change from 7 to 220
Calculation steps:
[( 220 - 7 ) ÷ 7] x 100 = 3042.86%
Formula
Percentage change = [(220 - 7) / 7] x 100
Subtract the new number by the original number
220 - 7 = 213
213 ÷ 7 = 30.428571428571427
30.428571428571427 x 100 = 3042.86%