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
Riv 96.7 Tosti 83.2 Out
-0.6
Beckel 77 Sean 103.5 +0.5
-0.1
Paulo 90.5 Mike 88.9 -0.2
+0.1
Brian 91.6 Miller 55.1 +0.2
+0.1
If winner is:HomeAway
Week of 12/6100.0*Chance in playoffs100.0*Average seed
Tosti vs Fat+1.0-0.9
Miller vs Paulo-0.2+0.1
Brian vs Mike+0.1-0.2
Riv vs James+0.1-0.2
Sean vs Chael-0.1+0.1

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456789101112Count
62-0Out1235351430012,113,800
51-1Out174034925,051,252
40-2Out336712,974,356
Total:Out3891221262250,139,408
Games Above .500
Chance Will Make Playoffs