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
Jonny 92.2 Angelo 91.38 -13.8
-1.0
Dan 105.62 Mike 130.94 +1.6
-0.1
Gary 71.98 Nick 104.77 +0.7
+0.1
Chris 113.8 Brian 95.57 +0.6
Kevin 90.5 Ira 93.18 +0.5
+0.1
Luke 81.92 John 57.61 +0.1
Week of 11/29100.0*Chance in playoffs100.0*Average seed
Ira 78.04 Angelo 152 +20.2
+1.1
Dan 92.9 Nick 86.65 +3.9
+0.1
Gary 113.22 Brian 107.49 -3.7
-0.1
Jonny 124.96 Chris 91.8 -1.1
Kevin 113.42 John 128.3 +1.0
+0.2
Luke 58.97 Mike 114.72 +0.4
-0.1
If winner is:HomeAway
Week of 12/6100.0*Chance in playoffs100.0*Average seed
Chris vs Angelo-0.8+0.8
Kevin vs Mike-0.6+0.6
Luke vs Nick-0.1+0.1
Jonny vs Gary-0.1+0.1

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456789101112Count
81-0In50509,001,166
70-1In3425418,998,378
Total:In2542132017,999,544
Games Above .500
Chance Will Make Playoffs