How are these numbers calculated?

Big Games

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

Week of 11/12100.0*Chance in playoffs100.0*Average seed
Hunter 103 John 103.3 +9.1
+0.9
Cole 111.6 Frank 126 -1.1
Sam 137.3 Marty 131.5 +0.6
+0.2
Vitek 155.8 Trey 108.1 +0.6
+0.1
Eva 108.4 Trevor 73.6 -0.3
-0.0
Week of 11/19100.0*Chance in playoffs100.0*Average seed
John 149.9 Sam 125.8 In
+0.7
Trey 123.6 Cole 124.9 In
+0.0
Conrad 124 Eva 108.8 +0.7
Frank 96 Matt 66.1 -0.7
-0.1
Marty 104 Vitek 99.8 -0.6
-0.3
If winner is:HomeTieAway
Week of 11/26100.0*Chance in playoffs100.0*Average seed
John vs Vitek+0.4+0.3-0.4
Marty vs Cole-0.3+0.4+0.3

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-L-Tplayoffs123456789101112Count
91-0-0In109010,179,484
8.50-0-1In100205,701
80-1-0In59132910,187,151
Total:In57561420,572,336
Games Above .500
Chance Will Make Playoffs