How are these numbers calculated?

Big Games

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

Week of 11/26100.0*Average seed
Ortiz 77.96 Topper 84.74 -0.7
CoP 113.56 Mel 142.78 +0.2
Ruski 140.04 Darth 99.58 -0.1
Meg 116.42 Jackie 123.12 +0.1
Week of 12/3100.0*Average seed
Ortiz 117.8 Rob 122.84 -0.6
David 65.82 Darth 103.22 +0.2
CoP 77.5 Meg 103.62 +0.1
Moff 124.72 Jackie 124.18 -0.1
If winner is:HomeAway
Week of 12/10100.0*Average seed
Ortiz vs Mel+0.5-0.5
CoP vs James-0.3+0.3
David vs Topper-0.3+0.3

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456789101112Count
41-0Out7822013,500,295
30-1Out14503613,504,033
Total:Out46361827,004,328
Games Above .500
Chance Will Make Playoffs