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
Chris 94 Zach 69 -22.9
-1.3
Daryll 47 Fitz 50 -1.2
+0.0
Yarroch 69 Jake 59 -0.5
-0.1
Babs 57 Kyle 45 +0.3
+0.2
Josh 51 Jason 87 +0.2
Brandon 58 Bill 42 -0.1
If winner is:HomeTieAway
Week of 12/7100.0*Chance in playoffs100.0*Average seed
Brandon vs Zach-45.0-11.5+45.6
-2.1-0.2+2.2
Kyle vs Jason-3.8+1.2+3.7
-0.1+0.0+0.1
Chris vs Fitz+3.1+1.9-3.2
+0.0+0.3-0.0
Babs vs Yarroch-2.9+0.5+2.9
-0.1-0.2+0.1
Daryll vs Jake+1.1-1.1-1.1
+0.2-0.2-0.2
Josh vs Bill*-0.0-0.7+0.1
-0.0-0.3+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 Zach finish out the regular season.   Explain

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TPW-L-Tplayoffs123456789101112Count
141-0-092.9%15172827166111,282,901
130-0-135.882837225578,340
120-1-02.30210263422611,283,887
Total:47.3%0381413109141711323,145,128
Games Above .500
Chance Will Make Playoffs