than you burn. It doesn't matter if that is Atkins, keto, paleo, counting macros, or just counting calories.
The most important important thing is to find a lifestyle you can sustain that lets you continue that deficit.
If you don't have the time or don't trust yourself to count your own calorie/do your own meal prep there are a lot of meal prep companies out there that will make the food for you and ship it to your house.
There are also plans like cleansimpleeats that are like a cookbook that will tell you how to prepare the meals for your specific calorie needs.