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
Del Cueto 85.2 Swords 117.2 -11.6
-0.4
Keating 59.1 Petrella 131.6 +7.0
+0.1
Larson 100.2 Mendoza 124.8 +1.6
Crump 101 Shroff 90.6 -1.5
Brockett 106 Illgen 50.4 -0.9
-0.1
Alter 85.9 Swikart 127.7 +0.3
+0.1
Week of 11/26100.0*Chance in playoffs100.0*Average seed
Keating 118.4 Del Cueto 112.4 -23.9
-0.5
Larson 71.5 Crump 63.9 +8.1
+0.1
Alter 89.4 Brockett 93.7 +2.0
If winner is:HomeAway
Week of 12/3100.0*Chance in playoffs100.0*Average seed
Alter vs Del Cueto-26.7+27.0
-0.5+0.5
Keating vs Crump-23.4+22.9
-0.3+0.3

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
61-079.0%42372120,450,985
50-125.3257520,683,615
Total:52.0%21314841,134,600
Games Above .500
Chance Will Make Playoffs