101.17% is the change from 171 to 344
Calculation steps:
[( 344 - 171 ) ÷ 171] x 100 = 101.17%
Formula
Percentage change = [(344 - 171) / 171] x 100
Subtract the new number by the original number
344 - 171 = 173
173 ÷ 171 = 1.0116959064327486
1.0116959064327486 x 100 = 101.17%