If it 2700 is the calories for keeping your deit the same, ya you should increase your calories. I saw your diet calendar, your food is really healthy. It has many protein, fiber, carbs and so on..Even you do some workouts..So, you are in your great way. Try to increase your calories.
I was like you, eating low calories, and my weight stopped losing, too. However, i increased my calories, i eat every time i want. I feel full all the time. Then, my weight started moving