If the difference is 10 times…that could be very much because of a misplaced decimal point when you did the NPc?
Here is what I would do…take your completed Profile…and your parent information for income and such for 2015. Do that net price calculator again…and see what happens. Make sure every number is accurately entered.
BUT remember…if your parents are divorced, own a business, are self employed, own property other than your primary resident…or if you are not a U.S. citizen, the NPC will be inaccurate.