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
Rob 122.42 Michael 77.82 -0.6
Ross 105.76 Iris 66.5 +0.2
Justin 119.34 Joe 87.48 -0.1
Week of 12/1100.0*Average seed
Justin 100.44 Michael 113.84 +0.5
Kevin V 92.4 Iris 42.36 +0.2
Randi 74.9 Laurel 99.04 +0.1
Rob 66.28 Kevin D 83.8 -0.1
If winner is:HomeAway
Week of 12/8100.0*Average seed
Michael vs Kevin D+0.2-0.3
Joe vs Randi+0.3-0.3

What If

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

100100100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs1234567891011121314Count
41-0Out99110,290,472
30-1Out4951010,281,868
Total:Out7426020,572,340
Games Above .500
Chance Will Make Playoffs