How are these numbers calculated?

Big Games

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

Week of 11/19100.0*Chance in playoffs100.0*Average seed
Brockett 106 Illgen 50.4 +13.3
+0.5
Larson 100.2 Mendoza 124.8 +4.7
+0.1
Crump 101 Shroff 90.6 -3.4
-0.1
Del Cueto 85.2 Swords 117.2 +2.9
+0.1
Keating 59.1 Petrella 131.6 +1.7
+0.1
Alter 85.9 Swikart 127.7 +0.3
+0.1
Week of 11/26100.0*Chance in playoffs100.0*Average seed
Alter 89.4 Brockett 93.7 In
+0.5
Larson 71.5 Crump 63.9 In
+0.1
Keating 118.4 Del Cueto 112.4 +1.6
Week of 12/3None

What If

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

100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456Count
7-8In10041,134,600*
Total:In10041,134,600

* Row combines multiple less frequent records.

Games Above .500
Chance Will Make Playoffs