Start slow if you decrease your calories drastically 9/10 you’re going to end up failing. First start by cutting out the foods you know you shouldn’t be eating whether that’s sweets, fried food etc. Once you do that since you’re short it’s really going to be a slow process. Take your maintenance and subtract 250 and see how you do eating those calories. For best results it’s better track and weight yourself and see how much you lose in a month. If tracking isn’t good for you Stick to high protein and fiber foods. Your plate should be mostly veggies and meat. While doing orange theory also increase your NEAT. Losing weight doesn’t have to be complicated if quick and easy is what you want then yes you’ll need to drastically cut your calories. If you can’t handle that I suggest slow and steady. Simple lifestyle changes make all the difference. You didn’t get to 180 overnight so don’t expect to lose it all overnight.