How are these numbers calculated?

Big Games

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

Week of 11/8100.0*Average seed
Graham 175 Heyman 157 +0.6
Gonzalo 144 Bryn 107 -0.1
Karlyn 88 Maurice 107 -0.1
If winner is:HomeAway
Week of 11/15100.0*Average seed
Graham vs Daneen+0.3-0.3
Karlyn vs Gonzalo+0.1-0.1
Ryan vs Maurice+0.1-0.1
Heyman vs Emily-0.1+0.1

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456789101112Count
11-12In1006,749,505*
101-2In67285005,056,604
90-3In1031331971,691,019
Total:In761463113,497,128

* Row combines multiple less frequent records.

Games Above .500
Chance Will Make Playoffs