How are these numbers calculated?

Big Games

How we did last week and who we should root for this week.   Explain

If winner is:HomeTieAway
Week of 1/30100.0*Odds of getting BYE (1/2 seed)100.0*Average seed
Jacob Jenkins vs Chris Anderson+2.1+48.2No
-0.2+0.6+0.2
Dan Anderson, R vs pete lNoNo+2.2
-1.3-0.4+1.3

What If

Chances based on how well the pete l finish out the regular season.   Explain

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-L-TplayoffsOdds of getting BYE (1/2 seed)123456789101112Odds of being in Last Place BowlCount
91-0-0In4.4%46135No8,991,131
8.50-0-1InNo1000No17,979
80-1-0InNo595No8,990,434
Total:In2.2%23117347No17,999,544
Games Above .500
Chance Will Make Playoffs