I'm a chonky type, also perimenopausal and busy as fuck. Do on average 18k steps a day, 7 days a week, ride my horse 6 days a week, muck out 2 ponies, blah blah blah. I need to lose 2st despite having a fairly healthy diet and know that it doesn't really matter the amount of calories I have but rather the quality of the food I am eating.
Probably all to do with ruining my metabolism with years of dieting. Have done them all at some point. All 'work' while I am following them, all make me gain more weight when I stop.
And these days, it's getting harder.
What actually, genuinely works for me is massively improving the quality of the food I eat, and cutting out beer and wine which is heartbreaking. And I don't call it a diet, I call it a cut because it just sounds more athletic and healthier.
I don't eat highly processed carbs, so no white bread in any form. I might have wholemeal bread once a week. No cereals, no pasta, no pastry, no processed sugar.
I do eat full fat natural yogurt with honey if I have a sugar urge. I eat lots of protein. Chicken, tuna, eggs mainly but also steak, minced beef, roast beef etc. A fuckton of veg and salad. I cook everything from scratch. I don't deny myself stuff like a bit of salad dressing, or butter on potatoes. I eat clean, healthy, non processed food. And the weight comes off slowly and steadily (8lbs in 5 weeks).
Diets don't work. You need to eat well and feed your body nutrients and protein and fats. Then it will do its thing. As you are very overweight (absolutely no judgement) I really wouldn't worry about calories. If you eat whole, clean food you will self regulate, at least until you get closer to a healthy weight. Just listen to your actual body and hunger signals. If you are hungry then eat. But make sure its proper food.