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
Crump 110.8 Shroff 119.6 +0.3
Keating 85.7 Petrella 132.6 -0.2
Del Cueto 107.9 Swords 116.1 -0.1
If winner is:HomeAway
Week of 11/27100.0*Average seed
Shroff vs Swords+0.6-0.6
Petrella vs Swikart-0.2+0.2

What If

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

100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456Count
72-0Out881210,413,269
61-1Out22591921,203,518
50-2Out138710,804,245
Total:Out32363242,421,032
Games Above .500
Chance Will Make Playoffs