How are these numbers calculated?

Big Games

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

Week of 11/20100.0*Average seed
Ben 96.62 Gavin 121.6 -0.3
Scott 86.5 Andrew 133.04 -0.1
Craig 85.58 Ross 81.08 +0.1
If winner is:HomeTieAway
Week of 11/27100.0*Average seed
Ben vs Ross+0.4+0.2-0.4
Will vs Andrew+0.2-0.0-0.2
Jordan vs Gavin+0.2+0.1-0.2

What If

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

100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-L-Tplayoffs12345678Count
102-0-0In89118,988,447
9.51-0-1In752535,738
91-1-0In42481017,956,090
0-0-2In48312129
8.50-1-1In19621935,667
80-2-0In42849198,993,165
Total:In443417536,009,136
Games Above .500
Chance Will Make Playoffs