How are these numbers calculated?

Big Games

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

Week of 3/29100.0*Average seed
Jeb 184.1 Harry 201.2 -0.4
Matt 188.2 Luke 161.3 -0.2
Robby 170.8 Jon 132.5 +0.2
Ross 184.3 Jason 96.4 -0.1
Week of 4/5100.0*Average seed
Jeb 179.1 Mike 192.2 -0.5
Matt 203.7 Joe 187.5 -0.2
Jason 159.3 Jon 181.8 -0.2
Ross 226.7 Ken 218.4 -0.1
If winner is:HomeAway
Week of 4/12100.0*Average seed
Jeb vs Ross+0.8-0.7
Josh vs Jon+0.3-0.3

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456789101112Count
91-0In50508,998,358
80-1In1009,001,186
Total:In25255017,999,544
Games Above .500
Chance Will Make Playoffs