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
Ross 105.76 Iris 66.5 -0.5
Rob 122.42 Michael 77.82 +0.2
Week of 12/1100.0*Average seed
Kevin V 92.4 Iris 42.36 -0.4
Justin 100.44 Michael 113.84 -0.2
Randi 74.9 Laurel 99.04 +0.1
If winner is:HomeAway
Week of 12/8100.0*Average seed
Maria vs Iris-0.1+0.1
Joe vs Randi+0.1-0.1

What If

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

100100100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs1234567891011121314Count
31-0Out0267410,289,011
20-1Out10010,283,329
Total:Out0138720,572,340
Games Above .500
Chance Will Make Playoffs