How to lose belly fat

I've been trying to loose weight Especially in my belly for the last couple of months I've been riding a stationary bike and counting calories the best I can.But I feel like its not working is there any diet I could try or more workouts i could do at home that have worked for you I dont eat alot of sugary food and I only drink water 32 to 64 oz a day. I'm 21, 170 pounds an 5'3.