Eat15-20% less than maintenance calories
Consume 1-1.5g per lb of bodyweight in protein, absolute minimum 0.3g healthy fats per lb and fill the rest up wirth carbs.
Count calories
Lift heavy, dont change routine
Do cardio if you need to burn more calories, you dont need to do cardio to cut.
Eat healthy but dont be afraid to eat junk every now and then, moderation
Eat your greens.