How are these numbers calculated?

Big Games

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

Week of 11/29100.0*Chance in playoffs100.0*Average seed
Brian 91.6 Miller 55.1 -11.1
-1.2
Beckel 77 Sean 103.5 +2.0
+0.1
Paulo 90.5 Mike 88.9 -0.8
Fat 100.7 James 87.3 +0.7
Riv 96.7 Tosti 83.2 -0.3
+0.1
If winner is:HomeAway
Week of 12/6100.0*Chance in playoffs100.0*Average seed
Miller vs Paulo+4.7Out
+1.3-1.3
Sean vs Chael+1.6-1.6
Tosti vs Fat+0.7-0.7
Beckel vs Coyle-0.5+0.5
-0.1+0.1
Riv vs James+0.4-0.4
+0.2-0.2
Brian vs Mike+0.1-0.1

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456789101112Count
72-018.7%19392910204,177,262
61-1Out313283319308,357,519
50-2Out32644274,178,355
Total:4.7%5109915181613716,713,136
Games Above .500
Chance Will Make Playoffs