How are these numbers calculated?

Big Games

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

Week of 8/19100.0*Chance in playoffs100.0*Chowder Cup100.0*Average seed
AngryHammers 8 BeerCats 7 -6.7
+3.3
StevenSeagals 5 RCExpress 1 +6.2
+5.2
+0.8
OldSchool 3 StevenSeagals 5 In
+4.5
+0.3
Pirates 1 2ndShift 4 +0.8
-7.3
-0.1
Week of 8/26100.0*Chance in playoffs100.0*Chowder Cup100.0*Average seed
RCExpress 6 AngryHammers 6 (ot)+7.0
+0.3
OldSchool 2 2ndShift 9 -3.0
-0.1
Week of 9/3100.0*Chance in playoffs100.0*Chowder Cup100.0*Average seed
2ndShift 3 AngryHammers 6 Yes
+0.7
Points
Chance Will Make Playoffs