Garcinia Cambogia Mega Slim Weight loss can be broken down mathematically for those so inclined. Each pound of fat is comprised of roughly 3,500 calories. So, in order to lose a pound, you have to burn 3500 extra calories. You can think of the process in terms of 500 calorie increments if you would like and attempt to burn 500 extra calories a day. That way, you can easily shed a pound every week.