17100% is the change from 2 to 344
Calculation steps:
[( 344 - 2 ) ÷ 2] x 100 = 17100%
Formula
Percentage change = [(344 - 2) / 2] x 100
Subtract the new number by the original number
344 - 2 = 342
342 ÷ 2 = 171
171 x 100 = 17100%
Example