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

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456789101112Count
102-0In29713,192,833
91-1In1504826,379,545
80-2In71293,191,102
Total:In84242812,763,480
Games Above .500
Chance Will Make Playoffs