To find the percentage difference between two numbers, you can use the following formula:

\[
\text{Percentage Difference} = \left(\frac{| \text{New Value} - \text{Old Value} |}{\text{Average of the Two Values}}\right) \times 100
\]

Here, the "New Value" is 88, and the "Old Value" is 54. The average of the two values is:

\[
\text{Average} = \frac{54 + 88}{2} = 71
\]

Now, calculate the absolute difference between the two values:

\[
|88 - 54| = 34
\]

Finally, apply the formula:

\[
\text{Percentage Difference} = \left(\frac{34}{71}\right) \times 100 \approx 47.89\%
\]

So, the percentage difference between 54 and 88 is approximately **47.89%**.

Would you like further details or have any questions?

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Here are some related questions you might find useful:

1. How do you calculate the percentage increase from 54 to 88?
2. What is the percentage decrease from 88 to 54?
3. How do you calculate the percentage change between two negative numbers?
4. What is the percentage difference between 54 and 100?
5. How can percentage difference be used in real-life situations?
6. What is the difference between percentage difference and percentage change?
7. How would you calculate the percentage difference between two fractions?
8. How does rounding affect the percentage difference?

**Tip:** When calculating percentage differences, always remember to use the absolute difference between the two values to avoid negative results.

Learn how to calculate the percentage difference between 54 and 88 with a step-by-step explanation. This problem involves basic arithmetic and percentage calculations, using the percentage difference formula. Suitable for students in Grades 6-8.

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