Question

The price of an item has risen to $351 today. Yesterday it was $130. Find the percentage increase.

Answer 1

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,

`\begin{gathered} \text{Percentage increase = }\frac{\text{ 351 - 130}}{130}\text{ }*\text{ 100} \\ \text{Percentage increase = }(221)/(130)\text{ }*\text{ 100} \\ \text{Percentage increase = 170 \%} \end{gathered}`

Thus percentage increase in the value is 170 %.