The goal body fat percentage is optional. Lbs lost divided by starting weight. To calculate percentage weight loss the weight loss can be calculated in any unit as long as the same unit of measurement was used through out.
The goal body fat percentage is optional.
The formula to calculate your weight loss percentage is. To simplify 70 is a good number to use when figuring your expected weight loss after gastric bypass. Type in your current weight and your current body fat percentage. 5lbs 150lbs 100 -333.