How are these numbers calculated?

Big Games

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

Week of 11/29100.0*Chance in playoffs100.0*Average seed
adam's Awesome 89.5 Aaron Plumbing 92.2 Out
-0.5
Fanticide Defla 97.1 Jay's Optimal T 63.54 Out
Hawks Nation 127.1 Fanticide 2.0 92.22 Out
-0.1
Ray Allens 83.52 Scumbags 84.98 -0.1
Week of 12/6100.0*Chance in playoffs100.0*Average seed
Jay's Optimal T 110.54 adam's Awesome 83.26 -0.1
Scumbags 87.42 Aaron Plumbing 81 +0.1
Week of 12/13None

What If

Chances based on how well the adam's Awesome finish out the regular season.   Explain

100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs12345678910Count
3-4Out10012,210,740*
Total:Out10012,210,740

* Row combines multiple less frequent records.

Games Above .500
Chance Will Make Playoffs