Can you tell me how could i cut my calorie intake?

Balanced decrease: Drink warm lemon juice on rise. Drink a glass of water before each meal.Eat a lot of green leafy vegetables & all multi colored veg.Plenty of fresh fruits. Lean meats are good,handful of nuts or seeds.Cut carbohydrates-no concentrated sweets nor baked goods. Avoid dairy & processed food,mainly meat.Avoid artificial sweeteners except stevia. No fried food,bake.