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
Babs 58 Jason 60 -12.4
-1.0
Fitz 54 Kyle 41 -2.1
-0.2
Brandon 60 Chris 37 +2.0
Zach 36 Bill 46 -0.3
-0.0
Jake 54 Josh 45 +0.1
Week of 11/30100.0*Chance in playoffs100.0*Average seed
Babs 51 Daryll 76 -20.4
-0.9
Zach 61 Yarroch 30 -4.7
-0.1
Jake 63 Bill 34 +1.7
+0.2
Fitz 53 Josh 79 +0.5
Chris 64 Jason 47 +0.5
+0.0
If winner is:HomeTieAway
Week of 12/7100.0*Chance in playoffs100.0*Average seed
Babs vs ZachInIn-50.7
+1.4+0.9-1.4
Chris vs Kyle-0.1+3.4-0.0
-0.3+0.3+0.2
Daryll vs Jason-0.1*+0.2+0.1
-0.2+0.2+0.2
Fitz vs Bill-0.0*-0.1+0.0

* 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
141-0-0In10011,402,025
130-0-1In4951346,445
120-1-00.1%035501611,396,658
Total:50.8%5011724823,145,128
Games Above .500
Chance Will Make Playoffs