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
Larson 114.3 Illgen 130 +15.1
+0.5
Shroff 86.3 Petrella 87.6 -4.5
-0.1
Alter 102.6 Keating 100.9 +4.3
+0.2
Swikart 123.1 Cohen 80.8 +2.5
+0.1
Del Cueto 126.6 Brockett 94.7 +1.9
+0.1
Swords 149.9 Mendoza 88.5 +1.5
+0.1
If winner is:HomeAway
Week of 11/10100.0*Chance in playoffs100.0*Average seed
Illgen vs Alter+12.2-12.2
+0.5-0.5
Keating vs Swikart-5.2+5.1
-0.2+0.2
Petrella vs Del Cueto-2.8+2.8
-0.1+0.1
Mendoza vs Shroff-2.7+2.7
-0.1+0.1
Cohen vs Larson-0.8+0.8
Brockett vs Swords-0.6+0.6

What If

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

100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456Count
94-0In946483,518
83-199.7%6432301,927,030
72-291.42045279002,890,054
61-349.21133444701,924,803
50-46.0006444010482,923
Total:78.1%30292017417,708,328
Games Above .500
Chance Will Make Playoffs