What can i do to loose weight?

Hi im Jaime and im 14 years old. Im 5 foot 6 and weigh 151 lbs. Ive lost about 30 pounds over the last couple of years, but lately its kinda stopped. Every day i jog for about 30-45 minutes. I usually eat about 1600 calories a day. If anone has any ideas on what i can do, please reply. Thanks.