How are these numbers calculated?

Big Games

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

Week of 11/28100.0*Chance in playoffs100.0*Average seed
Babs 57 Kyle 45 +24.9
+1.8
Yarroch 69 Jake 59 -1.6
-0.1
Daryll 47 Fitz 50 -1.5
+0.0
Josh 51 Jason 87 +1.1
Chris 94 Zach 69 +0.6
Brandon 58 Bill 42 -0.1
-0.1
If winner is:HomeTieAway
Week of 12/7100.0*Chance in playoffs100.0*Average seed
Babs vs Yarroch+47.3-13.1-46.6
+2.3-0.6-2.3
Brandon vs Zach+2.8*+0.2-2.8
+0.1+0.1-0.1
Kyle vs Jason-2.7*+0.0+2.7
-0.1+0.0+0.1
Chris vs Fitz+2.1+0.8-2.1
+0.0+0.3-0.0
Josh vs Bill-0.8*-0.1+0.8
-0.0-0.3+0.1
Daryll vs Jake+0.5-0.6-0.5
+0.2-0.2-0.2

* 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 Babs finish out the regular season.   Explain

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TPW-L-Tplayoffs123456789101112Count
141-0-096.5%111262920103011,282,838
130-0-136.182837225578,614
120-1-02.60211313517311,283,676
Total:49.2%151214107816178223,145,128
Games Above .500
Chance Will Make Playoffs