% increase in the price can be calculatd as,
[tex]\begin{gathered} =\frac{2000-1700}{1700}\times100 \\ =\frac{300}{1700}\times100 \\ =\frac{3}{17}\times100 \\ =0.176\times100 \\ =17.64\text{ \%} \end{gathered}[/tex]Hence, the % increase in the price of alptop is 17.64%