**Introduction**

Calculating attendance percentage is a common task, especially in educational institutions and workplaces. To simplify this process, we can create a user-friendly Attendance Percentage Calculator using HTML and JavaScript. In this article, we will guide you through creating a functional calculator, providing a step-by-step explanation of the code.

**How to Use**

To use the Attendance Percentage Calculator, follow these steps:

- Enter the total number of classes.
- Enter the number of classes attended.
- Click the “Calculate” button.

The calculator will instantly provide you with the attendance percentage based on the formula.

**Formula**

The formula for calculating attendance percentage is:

$Attendance Percentage=(Total Number of ClassesNumber of Classes Attended )×100$

**Example**

Let’s consider an example. If a student attended 25 classes out of a total of 30 classes, the calculation would be as follows:

$Attendance Percentage=(3025 )×100=83.33%$

**FAQs**

**Q1: What happens if the attendance percentage is more than 100%?**

A1: The attendance percentage cannot exceed 100%. If the calculated percentage is more than 100%, it means there might be an error in the input values.

**Q2: Can I use decimals for the number of classes attended or total classes?**

A2: No, attendance is typically measured in whole numbers. Decimals are not applicable for this calculation.

**Q3: Is there a limit to the number of classes that can be entered?**

A3: The calculator is designed to handle any positive whole numbers for both the number of classes attended and the total number of classes.

**Conclusion**

Creating an Attendance Percentage Calculator using HTML and JavaScript provides a quick and efficient way to determine attendance percentages. By following the provided formula and example, users can accurately calculate their attendance percentage with ease.