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*Average seed
Fornshell 91 Singer 81 +0.7
Lankford 99 Henderson 85 +0.2
Li 69 Anderson 58 +0.1
Dumas 111 Burrow 82 +0.1
Week of 11/24100.0*Average seed
Segal 72 Fornshell 56 -0.7
Ellerbe 72 Anderson 62 +0.2
Burrow 76 Li 89 +0.1
If winner is:HomeTieAway
Week of 12/1100.0*Average seed
Burrow vs Fornshell-1.2-1.2+1.3
Henderson vs Dumas-0.3-0.2+0.3
Singer vs Etomi-0.2-0.2+0.3
Bersin vs Anderson+0.2-0.2-0.2

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-L-Tplayoffs123456789101112Count
41-0-0Out2550257,911,615
3.50-0-1Out5842159,298
30-1-0Out50507,908,575
Total:Out122513252515,979,488
Games Above .500
Chance Will Make Playoffs