2942.86% is the change from 7 to 213
Calculation steps:
[( 213 - 7 ) ÷ 7] x 100 = 2942.86%
Formula
Percentage change = [(213 - 7) / 7] x 100
Subtract the new number by the original number
213 - 7 = 206
206 ÷ 7 = 29.428571428571427
29.428571428571427 x 100 = 2942.86%