How are these numbers calculated?

Big Games

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

Week of 3/8100.0*Chowder Cup100.0*Average seed
Bombers 1 BladesofSteel 3 -20.1
-0.3
Nordiques 5 DudleyAvalanche 3 -11.5
-0.1
BaystateBulldogs 2 ThornyDevils 5 -0.3
-0.0
If winner is:HomeTieAway
Week of 3/15100.0*Chowder Cup100.0*Average seed
Nordiques vs Badenovs-25.0-16.8+40.1
-0.3-0.2+0.4
Nordiques vs TheHellfish-9.7-0.8+41.0
-0.1+0.0+0.5
Bombers vs PondScum+10.6-34.7-38.0
+0.3-0.7-1.5
ThornyDevils vs LordStanleysCup-0.5+0.9+1.1
-0.1+0.0+0.2
BladesofSteel vs Jackals-0.0+0.1+0.1

What If

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

100100100100100100100100100100
If finish:Chance inChowderChance will finish regular season at seed
TPWL-OTTplayoffsCup12345678910Count
3310-00In49.0%49511,597,715
3200-01In3.743561204,880
3101-00In0.5094149257,317
Total:In38.5%38441162,059,912
Points
Chance Will Make Playoffs