How are these numbers calculated?

Big Games

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

Week of 11/22100.0*Chance in playoffs100.0*Average seed
Dan 105.62 Mike 130.94 +9.5
+0.6
Jonny 92.2 Angelo 91.38 +2.9
+0.1
Chris 113.8 Brian 95.57 +1.5
-0.1
Gary 71.98 Nick 104.77 +0.3
Kevin 90.5 Ira 93.18 +0.1
Week of 11/29100.0*Chance in playoffs100.0*Average seed
Ira 78.04 Angelo 152 -0.9
Luke 58.97 Mike 114.72 In
+0.3
Jonny 124.96 Chris 91.8 -0.8
+0.3
Gary 113.22 Brian 107.49 -0.8
-0.1
Dan 92.9 Nick 86.65 +0.2
+0.3
Kevin 113.42 John 128.3 +0.1
If winner is:HomeAway
Week of 12/6100.0*Chance in playoffs100.0*Average seed
Kevin vs Mike-0.9+0.7
Ira vs John-0.1+0.5
Chris vs Angelo-0.2+0.2

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456789101112Count
91-0In109031,085,347
80-1In505022,913,285
Total:In552212153,998,632
Games Above .500
Chance Will Make Playoffs