How are these numbers calculated?

Big Games

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

Week of 11/2100.0*Chance in playoffs100.0*Average seed
Brandon 60 Bill 63 -1.7
-0.4
Babs 110 Daryll 33 -1.0
+0.0
Fitz 59 Zach 62 +0.7
Kyle 45 Josh 53 +0.2
-0.1
Chris 76 Yarroch 91 -0.1
If winner is:HomeTieAway
Week of 11/9100.0*Chance in playoffs100.0*Average seed
Zach vs Brandon-0.5-0.5+0.5
-0.7-0.2+0.7
Babs vs Bill-0.5-0.4+0.5
Daryll vs Fitz+0.1*-0.0-0.0
-0.0-0.1+0.0
Josh vs Yarroch-0.1-0.1+0.1

* A starred number could be exactly 0 or just really small. The simulation did not run long enough to know.

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TPW-L-Tplayoffs123456789101112Count
124-0-020.9%1191353950476,647
113-0-13.031057292075,624
103-1-00.81645399003,062,317
2-0-20.5064342904,257
92-1-1Out10424350348,020
1-0-3Out1547354113
82-2-0Out324502116,801,607
1-1-2Out2205225112,703
71-2-1Out0216316494,953
0-1-3Out1206316172
61-3-0Out553436,309,917
0-2-2Out044568,853
50-3-1Out1090223,945
40-4-0Out1002,099,944
Total:0.6%010291521262619,919,072
Games Above .500
Chance Will Make Playoffs