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
Swikart 123.1 Cohen 80.8 +10.1
+0.4
Alter 102.6 Keating 100.9 -3.1
-0.2
Shroff 86.3 Petrella 87.6 +2.8
+0.1
Swords 149.9 Mendoza 88.5 -2.8
-0.1
Del Cueto 126.6 Brockett 94.7 -1.6
-0.1
If winner is:HomeAway
Week of 11/10100.0*Chance in playoffs100.0*Average seed
Keating vs Swikart-7.9+7.9
-0.4+0.4
Brockett vs Swords+3.8-3.8
+0.1-0.1
Illgen vs Alter+2.3-2.3
+0.2-0.2
Mendoza vs Shroff+1.1-1.1
Petrella vs Del Cueto+1.1-1.1
+0.1-0.1

What If

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

100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456Count
104-0In973482,963
93-1100.0%7523201,928,693
82-298.0304324202,887,073
71-374.8321502421,927,332
60-423.502225422482,267
Total:88.1%3728241027,708,328
Games Above .500
Chance Will Make Playoffs