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
Li 69 Anderson 58 -17.8
-1.0
Ellerbe 89 Segal 90 +2.9
+0.1
Dumas 111 Burrow 82 -1.1
Lankford 99 Henderson 85 +0.1
Week of 11/24100.0*Chance in playoffs100.0*Average seed
Ellerbe 72 Anderson 62 Out
-0.7
Etomi 62 Dumas 83 Out
-0.1
Burrow 76 Li 89 +0.1
+0.2
Segal 72 Fornshell 56 +0.2
If winner is:HomeTieAway
Week of 12/1100.0*Chance in playoffs100.0*Average seed
Bersin vs Anderson-1.0+0.1+0.9
Singer vs Etomi-0.3-0.2+0.3
Burrow vs Fornshell+0.2+0.3-0.2

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-L-Tplayoffs123456789101112Count
51-0-0Out90107,911,127
4.50-0-1Out265025159,785
40-1-0Out2550257,908,576
Total:Out4518251215,979,488
Games Above .500
Chance Will Make Playoffs