How are these numbers calculated?

Big Games

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

Week of 12/5100.0*Average seed
Matthew 74 Julius 123 -0.5
Gene 120 Brendan 76 -0.0
If winner is:HomeAway
Week of 12/12100.0*Average seed
Gene vs Matthew-0.1+0.2

What If

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

100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TPW-Lplayoffs12345678Count
112-0In2336523,529,322
101-1In010040,056,940
90-2In10010,994,746
Total:In1118974,581,008
Points
Chance Will Make Playoffs