17400% is the change from 2 to 350
Calculation steps:
[( 350 - 2 ) ÷ 2] x 100 = 17400%
Formula
Percentage change = [(350 - 2) / 2] x 100
Subtract the new number by the original number
350 - 2 = 348
348 ÷ 2 = 174
174 x 100 = 17400%
Example