Upped Calories based on TDEE...When Will I Start to Lose?

FindingMyself24

I upped my calories based on the TDEE thingy and i GAINED!! BOO...i gained 1.2 pounds at that!...i was only eating 12-1400 a day...but with the 20% off TDEE thing im supposed to eat 1700.....how long till i see a change and i start to lose?? i dont wanna be on a path to constantly gaining...How long did it take you to see results?? Did it even work for you?

(i also have this posted in food and nutrition)