How are these numbers calculated?

Big Games

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

Week of 1/31100.0*Average seed
TABC 55 Frisch 53 +0.3
D. Hatorah 52 SAR 72 -0.1
Week of 2/5100.0*Average seed
TABC 31 Heschel 51 -0.4
If winner is:HomeAway
Week of 2/12100.0*Average seed
SAR vs TABC-0.7+0.8
MTA vs JEC-0.2+0.2

What If

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

100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs1234567891011Count
101-0In1003,369,500
90-1In50503,374,016
Total:In5025256,743,516
Games Above .500
Chance Will Make Playoffs