Where does all the fat go? Will it ever go?

I’m 100kg. I am doing something about it. I am starting to eat clean. I’m not exercising yet because I need to be sure I am consistent with eating clean. I’m going to eat 500-1200 calories. I’m aiming for 800 calories. My question is, where will my existing body fat go? Will it ever go? Bingo wings? I plan to eat clean 6 days a week and fast one day (liquid - water or juicing).