Daily Grow ROI which is also referred as Return on Investment is a financial ratio that helps calculate gain or loss from an investment plan. This formula helps calculate profit that an investor may receive from investing into a plan. Return on Investment (ROI) is a popular profitability metric used to evaluate how well an investment has performed. ROI is expressed as a percentage and is calculated by dividing an investment's net profit (or loss) by its initial cost or outlay. Mission. We provide the best products and services that enable nonprofits to solve the world's problems. This is our singular focus. ROI Solutions was founded in 1999 to help nonprofit organizations change the world through innovative technology solutions and services.