I'm new here, but I saw this thread, so I figured I'd try finally doing the math. It looks like I am so far on track to save this year 35% of what I made last year, with the caveat that this year's income will be significantly less than last year's, so I think it'll be like 49% in actuality. (I got 4 years of monthly stock vests when I got hired. My 4 year workaversary was in January. Without $2000 in stocks each month, the income goes way down)
Though, since I'm new, I did have a loan that happened earlier this year (unplanned new car...old was totaled), and I'm not sure how that factors into this equation, so I didn't subtract the balance or include the payment. It's 0%, so principal versus interest doesn't really apply. So I'm just treating the payment on it as regular spending.