The price of an item today = is $ 351.
The price of the item yesterday = was $ 130.
Increase in the price = $ 351 - $ 130 = $ 221.
Percentage increase is calculated as,
[tex]\begin{gathered} \text{Percentage increase = }\frac{\text{ 351 - 130}}{130}\text{ }\times\text{ 100} \\ \text{Percentage increase = }\frac{221}{130}\text{ }\times\text{ 100} \\ \text{Percentage increase = 170 \%} \end{gathered}[/tex]Thus percentage increase in the value is 170 %.
