Your body will adapt but it's not going to just use 500 calories less than baseline in a week. It's not that difficult. Restrict calories to 500 less than basel

Your body will adapt but it's not going to just use 500 calories less than baseline in a week. It's not that difficult. Restrict calories to 500 less than baseline than after a week or two ifnyou haven't lost anything drop by another 250. Rinse and repeat. Extremely simple and easy