How are these numbers calculated?

Big Games

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

Week of 3/9100.0*Average seed
Spartans 7 JunkyardDogs 1 -0.4
Shamrocks 4 OldSchool 3 +0.2
If winner is:HomeTieAway
Week of 3/16100.0*Average seed
JunkyardDogs vs ThornyDevils+0.5-0.2-0.4
Nordiques vs Spartans-0.2-0.1+0.3
OldSchool vs BladesofSteel-0.1-0.0+0.1
BladesofSteel vs MightyGoats-0.1+0.0+0.1

What If

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

100100100100100100100100100
If finish:Chance inChowderChance will finish regular season at seed
TPWL-OTTplayoffsCup123456789Count
2710-00InNo71291,008,707
2600-01InNo226216224,756
2501-00InNo10612901,007,587
Total:InNo38471502,241,050
Points
Chance Will Make Playoffs