How are these numbers calculated?

Big Games

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

Week of 11/19100.0*Chance in playoffs100.0*Average seed
Babs 60 Brandon 105 +8.4
+0.7
Jake 61 Kyle 24 -1.2
-0.0
Jason 61 Yarroch 63 +1.0
-0.0
Darryl 88 Stephen 61 -0.3
+0.3
Zach 77 Bill 36 -0.2
Josh 73 Chris 57 -0.1
-0.0
Week of 11/26100.0*Chance in playoffs100.0*Average seed
Brandon 60 Zach 45 In
+0.7
Kyle 55 Jason 50 +1.7
Jake 75 Chris 32 -1.0
-0.1
Darryl 62 Bill 55 -1.0
-0.1
Babs 65 Stephen 50 +0.7
+0.3
Josh 60 Yarroch 48 -0.3
+0.0
If winner is:HomeHome OTTieAway OTAway
Week of 12/3100.0*Chance in playoffs100.0*Average seed
Brandon vs Stephen+0.6+0.4+0.4-0.9-1.1
Jake vs Josh+0.2+0.2+0.2-0.1-0.2
Darryl vs Zach-0.1-0.1+0.2+0.2+0.2
Kyle vs Yarroch+0.2+0.2+0.2-0.0-0.1

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
181-0-0In643635,550,440
170-0-1In4258840,763
160-1-0In122502719,587,269
Total:In4132171055,978,472
Games Above .500
Chance Will Make Playoffs