How are these numbers calculated?

Big Games

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

Week of 10/31100.0*Chance in playoffs100.0*Average seed
Brandon 81 James 71 -6.8
-0.5
Robert 67 DJ 86 -1.2
-0.1
Andrew 106 Cody 67 -0.5
Roman 104 Megan 91 +0.4
+0.0
Travis 78 Trey 72 +0.2
Scotty 98 Justin 74 -0.2
If winner is:HomeTieAway
Week of 11/7100.0*Chance in playoffs100.0*Average seed
James vs Scotty+11.2+6.8-11.3
+0.6+0.4-0.6
DJ vs Andrew-2.3+2.2+2.3
-0.2+0.2+0.2
Trey vs Roman+0.3+1.7-0.3
-0.0+0.1+0.0
Justin vs Travis+0.9*+0.0-0.9
Megan vs Robert-0.4+1.0+0.4
-0.0+0.1+0.0
Cody vs Brandon+0.1*-0.1-0.1

* A starred number could be exactly 0 or just really small. The simulation did not run long enough to know.

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-L-Tplayoffs123456789101112Count
115-0-0In6436269,576
10.54-0-1In505026,958
104-1-0In3068201,335,649
3-0-2In277031,139
9.53-1-1In158130107,966
2-0-3In1481521
93-2-0100.0%58012302,670,846
2-1-2In6791323,268
8.52-2-199.81801270162,563
1-1-3In28115252
82-3-087.20541023112002,671,901
1-2-289.7054112510103,260
7.51-3-173.94642421500108,024
0-2-377.86341119427
71-4-020.918031733235001,335,935
0-3-222.21804223419301,140
6.50-4-112.312172837141027,067
60-5-01.82001123836101269,344
Total:80.9%8577966421008,994,736
Games Above .500
Chance Will Make Playoffs