There were 225 people at the first home football game of the season. 302 people attended the next home game. What was the percent of change in attendance? Round your answer to the nearest tenth.

To calculate the percent change in attendance, we use the following formula:

\[
\text{Percent Change} = \frac{\text{New Value} - \text{Old Value}}{\text{Old Value}} \times 100
\]

Here:
- The old value (attendance at the first game) = 225
- The new value (attendance at the second game) = 302

Substitute these values into the formula:

\[
\text{Percent Change} = \frac{302 - 225}{225} \times 100
\]
\[
\text{Percent Change} = \frac{77}{225} \times 100
\]
\[
\text{Percent Change} \approx 34.2222\%
\]

Rounding this to the nearest tenth, the percent change in attendance is **34.2%**.

Would you like more details or have any other questions?

Here are some related questions:
1. How would the formula change if attendance decreased instead?
2. What if the third game's attendance was 400 people—how would the percent change compare?
3. How do you calculate a percent decrease using a similar formula?
4. What are some common applications of percent change outside of attendance statistics?
5. How can you use the concept of percent change to predict future attendance trends?

**Tip:** Always check whether the question asks for an increase or a decrease when calculating percent change!

Learn how to calculate the percent change in attendance between two football games, increasing from 225 to 302 attendees. This problem covers the concept of percent change using a simple formula, suitable for students in Grades 6-8. Rounded answer: 34.2%.

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