2957.14% is the change from 7 to 214
Calculation steps:
[( 214 - 7 ) ÷ 7] x 100 = 2957.14%
Formula
Percentage change = [(214 - 7) / 7] x 100
Subtract the new number by the original number
214 - 7 = 207
207 ÷ 7 = 29.571428571428573
29.571428571428573 x 100 = 2957.14%