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
Brandon 60 Chris 37 -10.9
-0.4
Fitz 54 Kyle 41 -3.9
-0.1
Babs 58 Jason 60 +2.1
-0.0
Zach 36 Bill 46 +1.9
+0.1
Daryll 69 Yarroch 54 +1.8
+0.1
Jake 54 Josh 45 -0.4
Week of 11/30100.0*Chance in playoffs100.0*Average seed
Chris 64 Jason 47 +8.8
+0.9
Fitz 53 Josh 79 +6.8
+0.1
Babs 51 Daryll 76 +4.2
-0.1
Zach 61 Yarroch 30 -2.6
-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 BillOut+28.0+28.1
-0.4+0.3+0.3
Chris vs Kyle+18.4-34.7Out
+0.7-0.5-1.5
Babs vs Zach+0.6Out+0.6
+0.0-0.7+0.0
Daryll vs Jason-0.1+0.2+0.2

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TPW-L-Tplayoffs123456789101112Count
131-0-057.0%5742146,102,639
120-0-13.9427691,021,505
110-1-0Out435721,024,856
Total:38.6%3929151768,149,000
Games Above .500
Chance Will Make Playoffs