The median size of a new singlefamily home grew from \( 2008 \mathrm{ft}^{2} \) in 1996 to \( 2422 \mathrm{ft}^{2} \) in 2007 . What is the percent of increase? The percent of increase is about \( \square \% \). (Simplify your answer. Type an integer or a decimal rounded to the nearest tenth.)

To find the percent of increase, you can use the formula: \[ \text{Percent Increase} = \left( \frac{\text{New Value} - \text{Old Value}}{\text{Old Value}} \right) \times 100 \] In this case, the old value is \( 2008 \text{ft}^2 \) and the new value is \( 2422 \text{ft}^2 \). \[ \text{Percent Increase} = \left( \frac{2422 - 2008}{2008} \right) \times 100 = \left( \frac{414}{2008} \right) \times 100 \approx 20.6\% \] So, the percent of increase is about \( 20.6\% \).