How are these numbers calculated?

Big Games

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

Week of 11/23100.0*Chance in playoffs100.0*Average seed
Zach 36 Bill 46 +15.1
+0.8
Brandon 60 Chris 37 +1.8
+0.0
Fitz 54 Kyle 41 -1.6
-0.1
Babs 58 Jason 60 +0.6
+0.2
Jake 54 Josh 45 +0.2
+0.0
Daryll 69 Yarroch 54 -0.1
Week of 11/30100.0*Chance in playoffs100.0*Average seed
Jake 63 Bill 34 -0.8
Babs 51 Daryll 76 +0.2
Fitz 53 Josh 79 -0.1
Brandon 60 Kyle 48 -0.0
If winner is:HomeTieAway
Week of 12/7100.0*Chance in playoffs100.0*Average seed
Fitz vs Bill-1.3+0.9+0.9
Brandon vs Josh+0.2+0.2-0.4
Babs vs Zach-0.2+0.2+0.2

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TPW-L-Tplayoffs123456789101112Count
161-0-0In673338,421,124
150-0-1In65351,020,769
140-1-0In514928,707,107
Total:In3919212168,149,000
Games Above .500
Chance Will Make Playoffs