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
Reading 4 Brooklyn 0 -0.7
+0.0
Maryland 2 Carolina 4 +0.7
+0.1
Ottawa 4 Worcester 0 -0.7
+0.0
Bermuda 3 Long Island 1 -0.4
-1.7
West Virginia 1 Palmetto 1 +0.3
Baltimore 3 Express 2 +0.2
NJ Rangers 3 Baltimore 2 -0.1
-0.1
Brooklyn 1 Westchester 0 -0.1
Nashville 0 West Virginia 0 +0.0
Seacoast 1 Boston 1 +0.0
Week of 7/8100.0*Chance in playoffs100.0*Average seed
Baltimore 2 Brooklyn 2 +1.3
Ottawa 1 Western Mass 1 +1.2
Virginia Beach 2 West Virginia 0 +1.2
Carolina 1 Northern Virginia 1 +1.1
Orange County 5 BYU 1 +1.1
Seacoast 0 Worcester 2 +1.1
Vermont 2 Azul 4 +1.0
Spartans 0 NJ Rangers 1 +0.9
Long Island 0 Express 2 -0.4
Ottawa 1 Azul 0 +0.2
Long Island 5 Brooklyn 3 +0.1
Nashville 0 Palmetto 0 +0.1
Bermuda 2 Baltimore 1 +0.1
Maryland 7 Fredericksburg 1 +0.1
Week of 7/15100.0*Chance in playoffs100.0*Average seed
Baltimore 2 Long Island 1 -1.8
Palmetto 4 Northern Virginia 0 +0.2
Nashville 5 Fredericksburg 0 -0.1
Points
Chance Will Make Playoffs