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*Chance in playoffs100.0*Average seed
DRS 4 Kushner 0 In
Frisch 7 MTA 0 In
SAR 8 Ramaz 4 +0.1
Ramaz 0 MTA 4 +0.1
TABC 5 Haftr 1 -0.1
If winner is:HomeHome OTHome SOAway SOAway OTAway
Week of 2/13100.0*Chance in playoffs100.0*Average seed
JEC vs Ramaz+0.5+0.3+0.3-0.5-0.5-0.5

What If

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

100100100100100100100100100
If finish:Chance inPresChance will finish regular season at seed
TPWL-OTTplayoffsTrophy123456789Count
1920-00InNo01001,236,834,710
1810-10InNo5050602,743,961
1711-00InNo44561,869,554,646
00-20InNo10073,480,868
15-16InNo1001,163,291,851*
Total:InNo048524,945,906,036

* Row combines multiple less frequent records.

Points
Chance Will Make Playoffs