How are these numbers calculated?

Big Games

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

Week of 11/3100.0*Chance in playoffs100.0*Average seed
Del Cueto 126.6 Brockett 94.7 +9.6
+0.4
Swords 149.9 Mendoza 88.5 -3.5
-0.1
Shroff 86.3 Petrella 87.6 +3.4
+0.1
Alter 102.6 Keating 100.9 -1.6
-0.1
Swikart 123.1 Cohen 80.8 -1.4
-0.1
If winner is:HomeAway
Week of 11/10100.0*Chance in playoffs100.0*Average seed
Petrella vs Del Cueto-7.7+7.6
-0.4+0.4
Brockett vs Swords+4.5-4.1
+0.1-0.1
Illgen vs Alter+1.2-1.2
+0.1-0.1
Mendoza vs Shroff+1.2-1.2
Keating vs Swikart+1.1-1.1
+0.1-0.1

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
104-0In9551,470,143
93-1In693005,735,887
82-298.2%285714208,425,089
71-375.3330422325,501,845
60-424.7022253221,348,828
Total:88.8%3537179222,481,792
Games Above .500
Chance Will Make Playoffs