Your numbers don't quite add up. 1,277.52+750+817.98=2,845.50, but you state your gross as 2,852.08. Not a big difference, but it looks like there is some rounding error going on somewhere.
You say "gross" is 2,852.08. Is that actually your amount after tax, but before 457 and pension deduction?
Most people here calculate savings rate by adding up all forms of savings, then dividing by after-tax salary. So assuming the numbers you are reporting have already had taxes taken out, I would calculate your savings rate like this:
(750+100+817.98)/2,845.50*100=58.6% Pretty damn good, congratulations!
I don't include my mortgage payment when calculating my savings rate, though I suppose you could include the part that goes toward principal. But definitely don't include the interest, property tax, or insurance part.
One other thing to consider is employer match on your 457. In my view, that is a form of savings, so I would include that amount in your 457 amount. But you also need to add it to your after-tax salary.
