The Total Profit ROI Calculator allows users to determine both total profit and return on investment (ROI) based on their business figures. Users input their total revenue, total expenses, and total investment. When the “Calculate Total Profit & ROI” button is clicked, the calculator subtracts total expenses from total revenue to find total profit. Then, it calculates the ROI as (total profit divided by total investment) multiplied by 100, expressing ROI as a percentage. Results are displayed instantly, helping users evaluate performance.