# How do you calculate the percentage increase in value per year of something $350 to $800 in 7 years?

##### 1 Answer

May 8, 2018

#### Explanation:

We could use the formula for compound interest.

Where:

FV = future value.

PV = present value.

We have:

We will assume that this is compounded annually.

This is in decimal form, so.

**2 d.p.**