How are these numbers calculated?

Big Games

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

Week of 11/22100.0*Average seed
Graham 125 Tim 175 +0.1
Mahoney 147 Ben 125 -0.0
If winner is:HomeAway
Week of 11/29100.0*Average seed
Tim vs Brenden+0.0-0.1

What If

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

100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs12345678Count
10-11In10075,050,939*
90-2In49513,389,269
Total:In98278,440,208

* Row combines multiple less frequent records.

Games Above .500
Chance Will Make Playoffs