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
Blake 76.28 Brad 89.6 -4.7
-0.8
Josh 101.2 Gravy 100.68 +1.3
-0.1
Luke 73.14 Brian 103.58 +1.2
+0.1
Dan 113.84 Jon 90.22 -0.7
-0.1
Niphon 166.92 Chris 137.64 -0.1
Kashif 103.96 Faisal 87.34 +0.1
Week of 11/25100.0*Chance in playoffs100.0*Average seed
Blake 95.42 Gravy 109 -5.9
-1.0
Dan 85.22 Josh 113.24 +2.2
+0.1
Brad 86.98 Chris 96.38 -1.8
-0.2
Kashif 129.46 Luke 104.9 +0.2
-0.1
Niphon 116.9 Brian 132.26 +0.2
If winner is:HomeAway
Week of 12/2100.0*Chance in playoffs100.0*Average seed
Kashif vs DanIn-9.1
Niphon vs GravyIn-9.1
Blake vs FaisalIn-9.1
+1.2-1.2
Brian vs Chris+0.2-0.2

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456789101112Count
81-0In164134913,498,231
70-181.8%00132491813,506,097
Total:90.9%820182024927,004,328
Games Above .500
Chance Will Make Playoffs