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 +1.8
+0.3
Andrew 106 Cody 67 -0.2
Scotty 98 Justin 74 -0.1
Travis 78 Trey 72 -0.1
-0.1
Robert 67 DJ 86 -0.1
If winner is:HomeTieAway
Week of 11/7100.0*Chance in playoffs100.0*Average seed
Cody vs Brandon-0.4+0.4+0.4
-0.2+0.1+0.2
Trey vs Roman+0.1+0.2-0.1
Justin vs Travis+0.1*-0.0-0.1
+0.1+0.0-0.1
DJ vs Andrew+0.0+0.2-0.0
James vs Scotty+0.0+0.1-0.0

* 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 Brandon finish out the regular season.   Explain

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-L-Tplayoffs123456789101112Count
11.5-13In1001,739,541*
113-2-0In98112,673,044
2-1-2In98113,319
10.52-2-1In9433161,647
1-1-3In933540
102-3-0In8012902,673,005
1-2-2In811183,309
0-1-4In1001
9.51-3-1In6120180108,323
0-2-3In60103020
91-4-099.9%3233314001,333,839
0-3-2In34323131,065
8.50-4-199.81134459027,161
80-5-085.712126371310270,422
Total:99.6%7910920008,994,736

* Row combines multiple less frequent records.

Games Above .500
Chance Will Make Playoffs