How are these numbers calculated?

Big Games

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

Week of 11/29100.0*Average seed
Beckel 77 Sean 103.5 +0.4
Riv 96.7 Tosti 83.2 +0.0
If winner is:HomeAway
Week of 12/6100.0*Average seed
Sean vs Chael+0.8-0.5
Riv vs James+0.1-0.1
Tosti vs Fat-0.1+0.1
Miller vs Paulo-0.1+0.1
Brian vs Mike+0.0-0.1

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456789101112Count
62-0Out310213126907,586,606
51-1Out212394723,829,374
40-2Out39718,723,428
Total:Out02369215950,139,408
Games Above .500
Chance Will Make Playoffs