103.53% is the change from 170 to 346
Calculation steps:
[( 346 - 170 ) ÷ 170] x 100 = 103.53%
Formula
Percentage change = [(346 - 170) / 170] x 100
Subtract the new number by the original number
346 - 170 = 176
176 ÷ 170 = 1.035294117647059
1.035294117647059 x 100 = 103.53%