How are these numbers calculated?

Big Games

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

Week of 11/18100.0*Chance in playoffs100.0*Average seed
Josh 101.2 Gravy 100.68 -21.0
-1.3
Luke 73.14 Brian 103.58 +3.0
+0.1
Dan 113.84 Jon 90.22 -1.9
-0.1
Kashif 103.96 Faisal 87.34 -0.5
Blake 76.28 Brad 89.6 +0.2
+0.1
Niphon 166.92 Chris 137.64 +0.1
Week of 11/25100.0*Chance in playoffs100.0*Average seed
Blake 95.42 Gravy 109 +24.8
+1.3
Dan 85.22 Josh 113.24 +5.8
+0.2
Brad 86.98 Chris 96.38 -3.9
-0.1
Jon 109 Faisal 59.54 +2.6
+0.1
Kashif 129.46 Luke 104.9 -1.4
Niphon 116.9 Brian 132.26 -0.5
If winner is:HomeAway
Week of 12/2100.0*Chance in playoffs100.0*Average seed
Niphon vs Gravy-32.3+32.3
-1.3+1.3
Kashif vs Dan+17.7-17.7
Brian vs Chris-1.9+1.9
+0.1-0.1
Luke vs Brad-1.7+1.7
-0.1+0.1
Blake vs Faisal-0.1+0.1
-0.2+0.2

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456789101112Count
71-099.7%62335279013,502,821
60-135.13550132013,501,507
Total:67.4%3111814222561027,004,328
Games Above .500
Chance Will Make Playoffs