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
Jason 61 Yarroch 63 +15.0
+1.5
Darryl 88 Stephen 61 +0.6
+0.0
Babs 60 Brandon 105 -0.2
-0.1
Jake 61 Kyle 24 -0.2
+0.1
Josh 73 Chris 57 -0.1
Week of 11/26100.0*Chance in playoffs100.0*Average seed
Josh 60 Yarroch 48 -2.5
-0.9
Kyle 55 Jason 50 In
+0.1
Jake 75 Chris 32 -0.8
-0.1
Babs 65 Stephen 50 +0.8
+0.1
Darryl 62 Bill 55 -0.3
-0.1
Brandon 60 Zach 45 -0.1
-0.1
If winner is:HomeHome OTTieAway OTAway
Week of 12/3100.0*Chance in playoffs100.0*Average seed
Kyle vs Yarroch-0.7-0.4-0.4+0.2+0.7
Darryl vs Zach-0.3-0.0+0.0+0.1+0.3
Brandon vs Stephen-0.2-0.2-0.2+0.2+0.3
Jake vs Josh+0.2+0.3-0.2-0.2-0.2

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TPW-L-Tplayoffs123456789101112Count
161-0-0In123938119,455,537
150-0-1In4951287,448
140-1-0In20809,452,511
Total:In619294619,195,496
Games Above .500
Chance Will Make Playoffs