I'm not sure why the daily plate does that. I absolutely, positively always keep my calories eaten totally separate from my calories burned. I eat what I eat based on what I have found to be a satisfying number of calories - one that keeps me full, energized and gives me more then enough room to get in all my nutrients, vitamins and minerals. I base my exercise on what I think is a doable and sustainable amount of activity for someone of my age and weight and fitness level, always striving to increase it.
"Eating back" my calories, IMO is totally and completely counterproductive. The goal is (other then to exercise for the wonderful health benefits) to create MORE of a deficit. I'm always looking to burn extra calories, not so I can eat more, but so that I can LOSE more.
One other thing, those "calories burned" portions of all of those sites always give a much higher number then actually burned. And there is no way on earth to even know how much any given person is actually burning while mowing the lawn, doing sit ups, walking, sneezing or breathing - no way at all. I totally disregard those numbers.
As far as aiming for a particular amount of pounds to lose per week, that's another inaccurate measure. There's no way to know for sure what the body will do. EVEN IF we were to do the same exact thing (which is impossible) week after week, meaning the same food, the same activity, you are never ensured of losing the same amount of weight week after week. Our bodies are just not that accurate and precise.
So much of this is trial and error. You try something for a couple of weeks, track it really, really well, see how it goes. If you are unhappy with the results, you can change it up, tweak things a bit and try again for another couple of weeks. Good luck.