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
Zach 77 Bill 36 -17.6
-1.6
Darryl 88 Stephen 61 -4.2
-0.2
Jason 61 Yarroch 63 +0.5
+0.1
Josh 73 Chris 57 +0.4
+0.1
Jake 61 Kyle 24 -0.4
+0.0
Babs 60 Brandon 105 -0.3
+0.1
Week of 11/26100.0*Chance in playoffs100.0*Average seed
Darryl 62 Bill 55 Out
-1.0
Babs 65 Stephen 50 +2.0
-0.1
Kyle 55 Jason 50 +0.9
-0.0
Brandon 60 Zach 45 +0.8
+0.1
Jake 75 Chris 32 -0.4
+0.1
If winner is:HomeHome OTTieAway OTAway
Week of 12/3100.0*Chance in playoffs100.0*Average seed
Babs vs Bill-1.0-1.0-0.5-0.0+1.1
Kyle vs Yarroch-0.2-0.2-0.2+0.1+0.2
Jason vs Chris+0.1+0.1+0.0-0.2-0.1

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TPW-L-Tplayoffs123456789101112Count
101-0-0Out34441849,452,976
90-0-1Out4951286,921
80-1-0Out1009,455,599
Total:Out172295219,195,496
Games Above .500
Chance Will Make Playoffs