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 -0.9
Week of 12/1100.0*Average seed
Randi 74.9 Laurel 99.04 +0.8
Rob 66.28 Kevin D 83.8 -0.2
Joe 139.86 Craig 94.58 -0.2
Justin 100.44 Michael 113.84 +0.1
Nick 73.58 Matt 115.2 +0.1
If winner is:HomeAway
Week of 12/8100.0*Average seed
Laurel vs Matt+1.0-1.0
Michael vs Kevin D+0.2-0.2
Justin vs Ross-0.2+0.2
Kevin V vs Nick+0.2-0.2
Joe vs Randi-0.2+0.2

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
61-0Out16403410010,286,533
50-1Out11484110,285,807
Total:Out82022292120,572,340
Games Above .500
Chance Will Make Playoffs