How are these numbers calculated?

Big Games

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

Week of 7/8100.0*Average seed
Pittsburgh 34 Arizona 68 +0.1
Week of 7/15None

What If

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

100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456789Count
15-16In1009,701,719*
Total:In1009,701,719

* Row combines multiple less frequent records.

Games Above .500
Chance Will Make Playoffs