How are these numbers calculated?

Big Games

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

Week of 11/23100.0*Average seed
James 93.34 Chris 97.62 +0.5
Blake 58.78 Niphon 88.19 -0.2
Faisal 95.41 Josh 117.3 +0.1
Dan 64.26 Jon 66.84 +0.1
Brad 75.45 Kashif 95.29 -0.1
Week of 11/30100.0*Average seed
Josh 121.58 Chris 92.01 -0.5
Luke 126.35 Niphon 93.97 +0.2
Dan 104.1 Kashif 107.42 -0.1
Jon 127.34 Faisal 130.85 -0.1
If winner is:HomeAway
Week of 12/7100.0*Average seed
Faisal vs Chris-0.7+0.7
Niphon vs Dan-0.2+0.2
Brad vs Luke+0.1-0.1

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456789101112Count
91-0In811912,856,515
80-1In83350912,861,429
Total:In442625525,717,944
Games Above .500
Chance Will Make Playoffs