Confused about what i am missing in my diet/lifestyle

I am an 18 yr old male, 5’8, 164lbs looking to lose weight and body fat, , my tdee calculator has told me my maintenance is 2600 cal and if I’m cutting it should be 2100 daily. I am going for a low carb diet and I train about 5-6 times a week with gym and boxing. I am just confused about what I need to incorporate in my diet and take out. For breakfast I normally have scrambled eggs and tea, then go gym with no pre workout but have a protein shake with impact whey, oats milk and oats. I then have dinner which is typically chicken and rice and then have tea at the end of the day. I also have snacks as well like chocolates and other sugary foods I shouldn’t be having.

Could I just get some advice as my weight and body fat has been increasing instead of decreasing.

Thanks

Confused about what i am missing in my diet/lifestyle