How are these numbers calculated?

Big Games

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

Week of 11/24100.0*Average seed
Laurel 72.74 Nick 113.7 -0.7
Justin 119.34 Joe 87.48 -0.1
Rob 122.42 Michael 77.82 +0.0
Week of 12/1100.0*Average seed
Randi 74.9 Laurel 99.04 +0.6
Rob 66.28 Kevin D 83.8 -0.3
Justin 100.44 Michael 113.84 +0.2
Joe 139.86 Craig 94.58 -0.2
If winner is:HomeAway
Week of 12/8100.0*Average seed
Laurel vs Matt+1.7-0.4
Michael vs Kevin D+0.5-0.3
Justin vs Ross-0.4+0.0
Kevin V vs Nick+0.0-0.1
Joe vs Randi-0.0+0.1

What If

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

100100100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs1234567891011121314Count
61-0Out1554264012,215,597
50-1Out14464150,787,807
Total:Out31016373363,003,404
Games Above .500
Chance Will Make Playoffs