How are these numbers calculated?

Big Games

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

Week of 11/17100.0*Average seed
Kevin 109.4 Andy 138.52 +0.2
Dan 143.28 David 161.7 -0.1
If winner is:HomeAway
Week of 11/24100.0*Average seed
Andy vs Matt+0.4-0.3
Kevin vs David+0.2-0.1
Ed vs Lori-0.0+0.2

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456789101112Count
102-0In20807,745,475
91-1In031561219,135,707
80-2In356511,409,258
Total:In432382638,290,440
Games Above .500
Chance Will Make Playoffs