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 -7.4
-0.4
Shroff 86.3 Petrella 87.6 -2.4
-0.1
Larson 114.3 Illgen 130 -2.3
-0.1
Swords 149.9 Mendoza 88.5 +1.2
Alter 102.6 Keating 100.9 +1.0
Swikart 123.1 Cohen 80.8 +0.9
+0.1
If winner is:HomeAway
Week of 11/10100.0*Chance in playoffs100.0*Average seed
Brockett vs Swords+2.6-2.6
+0.3-0.3
Petrella vs Del Cueto-0.8+0.8
Mendoza vs Shroff-0.8+0.8
Illgen vs Alter-0.7+0.7
Keating vs Swikart-0.7+0.7
Cohen vs Larson-0.1+0.1
-0.1+0.1

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
74-037.6%1122540221483,330
63-12.30021964141,926,502
52-20.00150502,887,598
41-3Out19811,926,917
30-4Out397483,981
Total:2.9%012841497,708,328
Games Above .500
Chance Will Make Playoffs