Introduction
In the realm of web development, creating interactive tools is a valuable skill. One such tool that can be immensely useful is a percentage calculator. Whether you’re a student, a professional, or just someone in need of quick calculations, having a percentage calculator on your website can come in handy. In this article, we’ll guide you through the process of building a simple yet effective percentage calculator using HTML and JavaScript.
How to Use
Using the percentage calculator is straightforward. Enter the values in the respective input fields, click the “Calculate” button, and voila! The result will be displayed instantly. This calculator allows you to perform various percentage calculations, making it versatile for different scenarios.
Formula
Understanding the underlying formulas is crucial for building an effective percentage calculator. The basic percentage formula is:
Percentage=(PartWhole)×100
In our calculator, you can calculate the percentage increase or decrease, find the percentage of a number, and perform other common percentage calculations.
Example
Let’s walk through an example of finding the percentage increase. Suppose you had an investment that grew from $5000 to $7500. Enter these values into the calculator, select the “Percentage Increase” option, and click “Calculate.” The result will show the percentage increase, which in this case would be 50%.