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
Kevin 90.5 Ira 93.18 +0.4
Week of 11/29None
If winner is:HomeAway
Week of 12/6100.0*Average seed
Ira vs John+0.1-0.5
Kevin vs Mike+0.1-0.0

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456789101112Count
101-0In10048,853,863
90-1In42585,144,769
Total:In95553,998,632
Games Above .500
Chance Will Make Playoffs