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
Paulo 90.5 Mike 88.9 -15.0
-1.4
Beckel 77 Sean 103.5 +2.4
+0.1
Brian 91.6 Miller 55.1 +1.1
+0.1
Fat 100.7 James 87.3 +0.7
Riv 96.7 Tosti 83.2 -0.4
+0.1
If winner is:HomeAway
Week of 12/6100.0*Chance in playoffs100.0*Average seed
Brian vs MikeOut+3.3
-1.2+1.2
Miller vs Paulo+3.3Out
-0.1+0.1
Sean vs Chael+1.0-1.0
+0.1-0.1
Beckel vs Coyle-0.3+0.3
-0.1+0.1
Tosti vs Fat+0.3-0.3
Riv vs James+0.1-0.1
+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
72-013.1%1349306104,181,474
61-1Out92734227108,351,996
50-2Out83939144,179,666
Total:3.3%312121517131310416,713,136
Games Above .500
Chance Will Make Playoffs