How are these numbers calculated?

Big Games

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

Week of 11/17100.0*Chance in playoffs100.0*Average seed
Etomi 74 Bersin 78 +1.2
+0.6
Ellerbe 89 Segal 90 In
-0.1
Lankford 99 Henderson 85 -0.3
Week of 11/24100.0*Chance in playoffs100.0*Average seed
Bersin 78 Lankford 84 -0.9
Segal 72 Fornshell 56 -0.1
Burrow 76 Li 89 -0.1
If winner is:HomeTieAway
Week of 12/1100.0*Chance in playoffs100.0*Average seed
Li vs Segal-0.3+0.3+0.3
Bersin vs Anderson+0.3+0.3-0.3

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-L-Tplayoffs123456789101112Count
8.5-9In1008,068,361*
80-1-0In514547,911,127
Total:In7622215,979,488

* Row combines multiple less frequent records.

Games Above .500
Chance Will Make Playoffs