2200% is the change from 7 to 161
Calculation steps:
[( 161 - 7 ) ÷ 7] x 100 = 2200%
Formula
Percentage change = [(161 - 7) / 7] x 100
Subtract the new number by the original number
161 - 7 = 154
154 ÷ 7 = 22
22 x 100 = 2200%
Example