How are these numbers calculated?

Big Games

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

Week of 7/1100.0*Chance in playoffs100.0*Average seed
Baltimore 3 Express 2 +3.1
+0.2
Ocean City 2 NJ Rangers 1 +0.6
+0.2
Ocean City 4 Bermuda 0 +0.3
+0.3
Reading 4 Brooklyn 0 -0.2
-0.1
Ottawa 4 Worcester 0 -0.1
NJ Rangers 3 Baltimore 2 -0.1
Mississippi 1 Tampa 0 -0.1
West Virginia 1 Palmetto 1 +0.1
Maryland 2 Carolina 4 +0.1
-0.1
Westchester 1 Reading 5 -0.1
-0.0
Week of 7/8100.0*Chance in playoffs100.0*Average seed
Ocean City 5 Westchester 1 In
+0.2
Reading 2 Ocean City 0 -0.4
Thunder Bay 3 Kansas City 1 -0.3
Fresno 3 Southern Cal 1 -0.3
Carolina 1 Northern Virginia 1 +0.1
Express 1 Reading 1 +0.1
SW Virginia 1 Carolina 3 -0.0
Week of 7/15100.0*Chance in playoffs100.0*Average seed
Ocean City 1 Brooklyn 0 +0.5
Spartans 1 Reading 2 -0.1
Points
Chance Will Make Playoffs