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*Chance in playoffs100.0*Odds of getting BYE (1/2 seed)100.0*Average seed
Dan Anderson, R vs pete lInIn-9.1
No+24.9+24.9
+0.1+0.1-0.1
Jacob Jenkins vs Chris Anderson-9.1InIn
NoNo+25.1
-1.6-0.9+1.6
Stephen Gombita vs Bradford Gregg-9.1InIn
-0.1+0.1+0.1

What If

Chances based on how well the Chris Anderson 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
91-0-0In50.1%5050No8,989,650
8.50-0-1InNo100No17,781
80-1-081.9%No523018No8,992,113
Total:90.9%25.0%252526159No17,999,544
Games Above .500
Chance Will Make Playoffs