Calorie Deficit;
let’s keep it simple:
1 Pound of fat in the human body is equal to 3,500 calories.
Eat 500 calories less than your body needs a day, will result in losing 1 Pound.
Still confused?
Calorie deficit is when you burn more calories than you consume.
This requires the body to use some of it’s stored energy (fat). If you want to lose weight / burn fat, the only way todo this is being in a caloric deficit.
To calculate how many calories you need, first calculate your TDEE (Total Daily Energy Expenditure)
then subtract your calorie deficit from this number. (-500 will result in 1Lb drop a week)