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
Fredericksburg 2 SW Virginia 1 +3.7
+0.3
West Virginia 2 Northern Virginia 0 -2.0
-0.1
Maryland 1 Northern Virginia 0 -1.3
Nashville 0 West Virginia 0 +0.7
+0.1
Reading 4 Brooklyn 0 -0.4
+0.1
Ottawa 4 Worcester 0 -0.3
+0.1
Maryland 2 Carolina 4 +0.2
+0.1
West Virginia 1 Palmetto 1 +0.2
NJ Rangers 3 Baltimore 2 -0.1
-0.1
Bermuda 3 Long Island 1 +0.1
Brooklyn 1 Westchester 0 -0.1
Baltimore 3 Express 2 -0.1
Seacoast 1 Boston 1 +0.0
Week of 7/8100.0*Chance in playoffs100.0*Average seed
Maryland 7 Fredericksburg 1 Out
-1.5
Vermont 2 Azul 4 -2.4
Ottawa 1 Western Mass 1 -2.3
Seacoast 0 Worcester 2 -2.2
Baltimore 2 Brooklyn 2 -2.0
Long Island 0 Express 2 -2.0
Carolina 1 Northern Virginia 1 -2.0
Ottawa 1 Azul 0 +0.2
Fredericksburg 0 Palmetto 1 -0.1
Bermuda 2 Baltimore 1 +0.1
Week of 7/15100.0*Chance in playoffs100.0*Average seed
Nashville 5 Fredericksburg 0 -2.2
Palmetto 4 Northern Virginia 0 +0.3
Ocean City 1 Brooklyn 0 +0.2
Baltimore 2 Long Island 1 +0.2
Points
Chance Will Make Playoffs