How are these numbers calculated?

Big Games

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

Week of 11/20100.0*Chance in playoffs100.0*Average seed
Del Cueto 107.9 Swords 116.1 -1.9
-0.3
Alter 79.3 Swikart 128.4 +1.7
Larson 116.3 Mendoza 132 +0.8
+0.1
Crump 110.8 Shroff 119.6 +0.5
Brockett 94.1 Illgen 106 +0.3
+0.2
If winner is:HomeAway
Week of 11/27100.0*Chance in playoffs100.0*Average seed
Keating vs Del Cueto-0.2+0.2
Alter vs Brockett+0.2-0.2

What If

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

100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456Count
82-0In89113,376,443
71-1In57436,745,569
60-2In1078133,375,116
Total:In5343313,497,128
Games Above .500
Chance Will Make Playoffs