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*Chance in playoffs100.0*Average seed
Flatbush 71 SSLI 36 In
+0.0
Haftr 48 HANC 50 -0.1
Flatbush 63 DRS 58 +0.4
YDE 49 Rambam 31 +0.0
Week of 2/5100.0*Chance in playoffs100.0*Average seed
Flatbush 67 Rambam 54 +0.7
DRS 51 Haftr 48 -0.1
HANC 74 D. Hatorah 49 -0.1
If winner is:HomeAway
Week of 2/12100.0*Chance in playoffs100.0*Average seed
Shaare T. vs Flatbush-1.1+0.4
HANC vs YDE-0.4+0.3

What If

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

100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs1234567891011Count
101-0In524815,029,426
90-1In1006,165,910
Total:In37342921,195,336
Games Above .500
Chance Will Make Playoffs