How are these numbers calculated?

Big Games

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

Week of 11/18100.0*Chance in playoffs100.0*Average seed
Rob 91.22 Marc 101.8 +24.2
+0.7
Paul 68.38 James B 95.44 +8.4
+0.1
Ben 120.78 Nicholas 79.88 +2.5
+0.1
Robbie 84.06 James D 96.9 -1.3
-0.1
Emerson 118.38 Dom 125.92 +0.1
+0.0
If winner is:HomeTieAway
Week of 11/25100.0*Chance in playoffs100.0*Average seed
Paul vs Marc-23.5-1.0+17.2
-0.4+0.1+0.3
Rob vs Nicholas+2.5+1.2-9.1
+0.0+0.0-0.2
James B vs James D+6.0+3.6-4.4
+0.1+0.0-0.1

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-L-Tplayoffs123456789101112Count
6.5-7In10019,409,046*
61-1-079.7%8020126,500,324
0-0-289.2891122,571
5.50-1-132.63356120934,210
50-2-05.15295313109,705,249
Total:73.1%73151020056,571,400

* Row combines multiple less frequent records.

Games Above .500
Chance Will Make Playoffs