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
StevenSeagals 5 RCExpress 1 +9.8
+7.0
+0.7
OldSchool 3 StevenSeagals 5 In
+16.7
+0.9
AngryHammers 8 BeerCats 7 -5.7
+2.5
Pirates 1 2ndShift 4 +2.0
-3.9
-0.1
Week of 8/26100.0*Chance in playoffs100.0*Chowder Cup100.0*Average seed
OldSchool 2 2ndShift 9 -10.5
-0.2
RCExpress 6 AngryHammers 6 (ot)+7.2
+0.2
Week of 9/3100.0*Chance in playoffs100.0*Chowder Cup100.0*Average seed
2ndShift 3 AngryHammers 6 Yes
+0.6
Points
Chance Will Make Playoffs