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 -2.3
-1.0
Luke 73.14 Brian 103.58 +0.2
Josh 101.2 Gravy 100.68 +0.1
-0.1
Dan 113.84 Jon 90.22 -0.1
Week of 11/25100.0*Chance in playoffs100.0*Average seed
Blake 95.42 Gravy 109 -2.8
-1.0
Dan 85.22 Josh 113.24 +0.5
Brad 86.98 Chris 96.38 -0.2
-0.1
Kashif 129.46 Luke 104.9 +0.1
-0.1
Niphon 116.9 Brian 132.26 +0.3
If winner is:HomeAway
Week of 12/2100.0*Chance in playoffs100.0*Average seed
Blake vs FaisalIn-9.4
+0.6-1.5
Niphon vs GravyIn-5.2
-0.2+0.2
Kashif vs DanIn-5.2
-0.1+0.2
Brian vs Chris+0.5-0.3

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
81-0In1035411455,570,480
70-186.8%00339441322,869,712
Total:96.1%725302113478,440,192
Games Above .500
Chance Will Make Playoffs