Im 5'5 and weigh 269 lbs how much weight do i need to lose to drop a dress size?

I think that the best thing to do is stay that size and get a dress to fit.. But if you want to drop a dress size you should probably drop like 6 or 7 pounds.. Its hard but i did it. I lost 47 pounds in half of the summer. Just set your mind to it and you can do anything. Have fun!!