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
Darryl 88 Stephen 61 -13.5
-1.2
Jake 61 Kyle 24 -1.0
-0.0
Jason 61 Yarroch 63 +1.0
-0.0
Babs 60 Brandon 105 +0.9
-0.2
Josh 73 Chris 57 -0.2
Week of 11/26100.0*Chance in playoffs100.0*Average seed
Babs 65 Stephen 50 -23.8
-1.4
Kyle 55 Jason 50 +2.6
+0.1
Jake 75 Chris 32 -1.6
-0.1
Brandon 60 Zach 45 +1.2
-0.2
Darryl 62 Bill 55 -1.1
-0.0
Josh 60 Yarroch 48 -0.7
-0.0
If winner is:HomeHome OTTieAway OTAway
Week of 12/3100.0*Chance in playoffs100.0*Average seed
Brandon vs Stephen-46.8-42.7+20.5InIn
-1.2-1.0+0.5+1.1+1.2
Darryl vs Zach+3.9+4.1+0.5-3.2-3.9
+0.3+0.3-0.0-0.2-0.3
Jason vs Chris-3.5-2.9+3.3+3.3+3.4
-0.2-0.2+0.2+0.2+0.2
Babs vs Bill-3.4-2.0+3.2+3.3+3.2
-0.2-0.2+0.2+0.2+0.2
Kyle vs Yarroch-3.1-1.3+3.0+3.0+3.0
-0.2-0.1+0.2+0.2+0.2
Jake vs Josh-0.2-0.2-0.2+0.2+0.2

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TPW-L-Tplayoffs123456789101112Count
141-0-0In48529,453,525
130-0-174.4%7426287,055
120-1-07.2727372359,454,916
Total:53.9%2430141811319,195,496
Games Above .500
Chance Will Make Playoffs