The Percentage Calculator is a versatile Chrome extension designed to streamline percentage calculations for users ranging from students to professionals. It offers four essential calculation types: percentage of a number, percentage difference, increase or decrease by percentage, and number as a percentage of another. With a user-friendly dropdown menu, users can easily switch between these calculations, making it a convenient tool for quick number crunching. Additionally, the extension features automatic history saving for the last five calculations and a one-click copy function for easy result sharing.

This extension is particularly beneficial for financial analysts, data scientists, and sales managers, allowing them to perform calculations efficiently without the hassle of switching between multiple tools. Its clean interface ensures that users can quickly input data, with built-in validation that prevents negative number inputs. All calculations are performed locally, ensuring privacy and security. The Percentage Calculator is a practical solution for anyone needing reliable percentage computations.