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*Chance in playoffs100.0*Chowder Cup100.0*Average seed
Bombers 1 BladesofSteel 3 In
+2.2
+0.5
DudleyAvalanche 1 Badenovs 1 +6.7
+0.1
BaystateBulldogs 2 ThornyDevils 5 -1.1
-1.0
-0.2
Nordiques 5 DudleyAvalanche 3 -2.2
-0.2
If winner is:HomeTieAway
Week of 3/15100.0*Chance in playoffs100.0*Chowder Cup100.0*Average seed
Nordiques vs TheHellfishNoNo+2.3
-0.1-0.1+0.1
Bombers vs PondScumNoNo+2.3
-0.2-0.2+0.2
Nordiques vs BadenovsNoNo+2.3
-0.1-0.1+0.1
BladesofSteel vs Jackals+2.2NoNo
+0.6-0.5-0.5
ThornyDevils vs LordStanleysCupNoNo+2.2
-0.2-0.2+0.2

What If

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

100100100100100100100100100100
If finish:Chance inChowderChance will finish regular season at seed
TPWL-OTTplayoffsCup12345678910Count
3210-00In4.1%4264624302,887
30-31InNo100370,305*
Total:In1.8%2122166673,192

* Row combines multiple less frequent records.

Points
Chance Will Make Playoffs