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
Dumas 111 Burrow 82 -17.7
-0.9
Ellerbe 89 Segal 90 +2.4
+0.1
Li 69 Anderson 58 -0.3
+0.0
Etomi 74 Bersin 78 -0.3
Lankford 99 Henderson 85 +0.1
Week of 11/24100.0*Chance in playoffs100.0*Average seed
Burrow 76 Li 89 Out
-0.7
Ellerbe 72 Anderson 62 Out
+0.1
Segal 72 Fornshell 56 +0.1
If winner is:HomeTieAway
Week of 12/1100.0*Chance in playoffs100.0*Average seed
Burrow vs Fornshell+0.8+0.2-0.8
Bersin vs Anderson+0.5-0.1-0.4
Singer vs Etomi-0.2-0.2+0.3

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-L-Tplayoffs123456789101112Count
51-0-0Out60407,908,575
4.50-0-1Out255025159,298
40-1-0Out2550257,911,615
Total:Out3032251315,979,488
Games Above .500
Chance Will Make Playoffs