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 -13.9
-0.6
Luke 73.14 Brian 103.58 +6.3
+0.2
Dan 113.84 Jon 90.22 -3.2
-0.1
Kashif 103.96 Faisal 87.34 -1.8
Niphon 166.92 Chris 137.64 -0.8
Blake 76.28 Brad 89.6 +0.3
Week of 11/25100.0*Chance in playoffs100.0*Average seed
Blake 95.42 Gravy 109 +27.0
+1.2
Dan 85.22 Josh 113.24 +4.1
+0.1
Brad 86.98 Chris 96.38 -1.5
Jon 109 Faisal 59.54 +0.9
+0.1
Kashif 129.46 Luke 104.9 -0.3
+0.1
Niphon 116.9 Brian 132.26 -0.3
-0.1
If winner is:HomeAway
Week of 12/2100.0*Chance in playoffs100.0*Average seed
Niphon vs Gravy-23.2+31.1
-0.7+1.0
Kashif vs Dan+19.6-26.2
+0.1-0.1
Brian vs Chris-2.0+1.1
+0.1-0.0
Luke vs Brad-1.2+1.7
Blake vs Faisal-0.3+0.6
-0.1+0.3

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
71-098.4%17233830233,540,881
60-144.2444870044,899,311
Total:67.4%031016382840078,440,192
Games Above .500
Chance Will Make Playoffs