How are these numbers calculated?

Big Games

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

Week of 11/13100.0*Average seed
Logan 81.5 Kyle 100.7 -0.4
Gerard 122.2 Jon 101.9 +0.1
Mike 96.8 Craig 78.6 -0.1
Week of 11/20100.0*Average seed
Kelly 95.6 Mike 80.9 +0.2
Ken 144.7 Logan 169.6 +0.2
Jon 105.7 Kyle 72.1 -0.0
If winner is:HomeAway
Week of 11/27100.0*Average seed
Brian vs Logan-0.7+0.4
Kelly vs Jon+0.2-0.1
Gerard vs Mike+0.1-0.1

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456789101112Count
91-0In1486029,835,375
80-1In10016,444,809
Total:In9553646,280,184
Games Above .500
Chance Will Make Playoffs