3171.43% is the change from 7 to 229
Calculation steps:
[( 229 - 7 ) ÷ 7] x 100 = 3171.43%
Formula
Percentage change = [(229 - 7) / 7] x 100
Subtract the new number by the original number
229 - 7 = 222
222 ÷ 7 = 31.714285714285715
31.714285714285715 x 100 = 3171.43%