How are these numbers calculated?

Big Games

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

Week of 10/5100.0*Average seed
Mark 95.9 Jake 90.9 +0.1
Andrew 86.9 Derek 67.8 -0.0
If winner is:HomeAway
Week of 10/12100.0*Average seed
Michael vs Andrew+0.2-0.1
Mark vs Dan+0.1-0.2

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456789101112Count
138-0In1001,452,649
127-1In81194,212,006
116-2In45554,981,063
105-3In16843,181,475
94-4In4961,217,289
83-5In199285,353
72-6In010040,196
61-7In01003,142
50-8In1003,291
Total:In505015,376,464
Games Above .500
Chance Will Make Playoffs