Ever wonder what the percentage of weight you have lost while following your fitness plan? Use our weight loss calculator to breakdown the percentage for you. Losing weight can be very difficult, requiring a large amount of energy and a lot of hard work and dedication. Knowing how to calculate your weight loss percentage can really be a motivational jumpstart for tough times. Seeing the percentage of weight you have lost will help keep you on track. Use our weight loss percentage calculator to help you set goals, stay motivated and reach them!