How are these numbers calculated?

Big Games

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

Week of 11/13100.0*Average seed
Scott 311.33 Alec 256.7 -0.4
Evan 277.05 Roger 267.47 -0.2
Jon 243.12 Stacy 193.25 -0.2
If winner is:HomeAway
Week of 11/20100.0*Average seed
Patrick vs Alec-0.5+0.5
Jon vs Steve-0.2+0.2
Scott vs Evan+0.1-0.1

What If

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

100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs12345678910Count
92-0In653234,802,930
81-1In1351369,589,290
70-2In955354,803,280
Total:In233633919,195,500
Games Above .500
Chance Will Make Playoffs