How are these numbers calculated?

Big Games

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

Week of 2/6100.0*Pres Trophy100.0*Average seed
DRS 4 Flatbush 0 -8.2
DRS 4 Kushner 0 -3.7
Frisch 7 MTA 0 +3.4
Kushner 4 Frisch 5 (ot)+2.8
SAR 8 Ramaz 4 -0.0
If winner is:HomeHome OTHome SOAway SOAway OTAway
Frisch vs JEC+7.6+7.6NoNoNoNo
If winner is:HomeHome OTHome SOAway SOAway OTAway
Week of 2/13100.0*Pres Trophy100.0*Average seed
HANC vs DRS+51.9NoNoNoNoNo

What If

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

If finish:Chance inPresChance will finish regular season at seed

* Row combines multiple less frequent records.

Chance Will Make Playoffs