How are these numbers calculated?

Big Games

How we did last week and who we should root for this week.   Explain

Week of 11/17100.0*Chance in playoffs100.0*Average seed
Marty 73 Nanna 85 +14.1
+0.2
Chuck 125 Thiede 87 +11.0
+0.1
Adam 122 Gruzs 97 -3.2
-0.1
If winner is:HomeAway
Week of 11/24100.0*Chance in playoffs100.0*Average seed
Thiede vs Nanna-37.5In
-0.5+0.5
Adam vs Marty-0.1+0.1

What If

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

100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs12345Count
72-0In50503,795,408
61-175.0%75257,583,126
50-2Out1003,796,966
Total:62.5%13503815,175,500
Games Above .500
Chance Will Make Playoffs