How are these numbers calculated?

Big Games

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

Week of 8/10100.0*Average seed
Bayhawks 16 Hounds 14 +0.3
Nationals 12 Outlaws 18 +0.1
If winner is:HomeAway
Week of 8/24100.0*Average seed
Bayhawks vs Nationals+0.5-0.5

What If

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

100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs12345678Count
101-0In1001,809,674,297
90-1In1001,809,631,975
Total:In50503,619,306,272
Games Above .500
Chance Will Make Playoffs