## Introduction

In the realm of web development, the need for percentage calculations is frequent, and having a dedicated percentage calculator with an increase formula can be a valuable asset. This article delves into creating a user-friendly HTML form and script that enables users to effortlessly calculate percentage increases. Whether you’re a novice or an experienced developer, this guide will walk you through the process, from understanding the formula to implementing it in HTML.

## How to Use

Using the HTML percentage calculator is a straightforward process. Simply follow the steps outlined below:

**Open HTML File:**Begin by opening your HTML file in a text editor or an integrated development environment (IDE).**Copy Provided HTML Code:**Copy the HTML code provided in the article, ensuring that both the form and script elements are included.**Paste Code Into HTML File:**Paste the copied code into the desired location within your HTML file, making sure it’s enclosed within the <form> and <script> tags.**Customize if Necessary:**If needed, customize the form’s appearance or any additional features according to your project’s requirements.**Save and Run:**Save the HTML file and open it in a web browser. You should now have a fully functional percentage calculator at your disposal.

## Formula

The formula for calculating the percentage increase is a fundamental concept in mathematics. It can be expressed as:

$Percentage Increase=(Old ValueNew Value−Old Value )×100$

This formula calculates the percentage increase between two values – the old value and the new value.

## Example

Let’s walk through a practical example to illustrate how the percentage calculator works:

Suppose you have an initial value of $50, and it increases to $75. To find the percentage increase:

$Percentage Increase=(50− )×100=50%$

In this example, the percentage increase is 50%, indicating that the value has increased by half.

## FAQ’s

**Q1: Can I use this code in any HTML project?**

- Yes, the provided HTML code is designed to be versatile and can be integrated into various HTML projects.

**Q2: How can I modify the appearance of the percentage calculator form?**

- Feel free to customize the HTML code according to your styling preferences, adjusting CSS styles or adding classes as needed.

**Q3: Can I use this calculator for other percentage calculations?**

- While this article focuses on percentage increase, you can modify the script to accommodate other percentage calculations by adjusting the formula.

## Conclusion

In conclusion, having a dedicated HTML percentage calculator with an increase formula can greatly simplify the process of calculating percentage increases in your web projects. By following the steps outlined in this guide, you can seamlessly integrate this functionality into your HTML pages. Experiment with different values and scenarios to enhance your understanding of percentage calculations in a web development context.