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
Swords 149.9 Mendoza 88.5 -7.2
-0.4
Shroff 86.3 Petrella 87.6 -2.6
-0.1
Larson 114.3 Illgen 130 -1.9
-0.1
Del Cueto 126.6 Brockett 94.7 +1.3
Swikart 123.1 Cohen 80.8 +1.0
Alter 102.6 Keating 100.9 +0.7
+0.1
If winner is:HomeAway
Week of 11/10100.0*Chance in playoffs100.0*Average seed
Mendoza vs Shroff+12.5-12.3
+0.5-0.5
Petrella vs Del Cueto-5.3+5.3
-0.2+0.2
Keating vs Swikart-2.9+3.0
-0.1+0.1
Illgen vs Alter-2.7+2.8
-0.1+0.1
Brockett vs Swords-0.8+0.7
Cohen vs Larson-0.6+0.6

What If

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

100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456Count
94-0In9461,376,128
83-199.7%6333405,550,034
72-290.81945279008,429,732
61-348.21133445605,683,894
50-45.9006463991,442,004
Total:77.3%292920184122,481,792
Games Above .500
Chance Will Make Playoffs