Some in here have already posted comparisons. It widely fluctuates. Expect it to be higher or lower and most are within 50 pts. Doesn't really help, I know.
Hard to say, Just try to keep your scores as high as you can. Different lenders and creditors will have different formulas and standards that they go by. I've learned to understand that even if you have high credit scores.. You have to have a reputation for having good credit. In other words, It's better to have a long history with a 740 across the board than it is to have a 760-800 for a year or two.