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
Ottawa 4 Worcester 0 -0.7
Maryland 2 Carolina 4 +0.6
+0.1
West Virginia 1 Palmetto 1 +0.6
+0.0
Reading 4 Brooklyn 0 -0.5
+0.0
NJ Rangers 3 Baltimore 2 -0.1
-0.1
Bermuda 3 Long Island 1 Out
-2.5
Mississippi 1 Tampa 0 -0.1
Hamilton 2 Forest City 4 +0.1
Baltimore 3 Express 2 +0.1
Kitsap 2 North Sound 1 -0.1
River City 1 Inferno 2 -0.2
Seacoast 1 Boston 1 +0.1
Kansas City 5 St. Louis 1 +0.1
Orlando City 2 Mississippi 1 +0.1
NJ Rangers 4 Spartans 0 +0.1
Nashville 0 West Virginia 0 +0.0
Maryland 1 Northern Virginia 0 -0.0
Austin 7 West-Texas 0 -0.0
Vancouver-U23 4 North Sound 0 -0.0
Week of 7/8100.0*Chance in playoffs100.0*Average seed
Long Island 0 Express 2 -2.5
Spartans 0 NJ Rangers 1 -1.3
Vermont 2 Azul 4 -1.2
Seacoast 0 Worcester 2 -1.1
Carolina 1 Northern Virginia 1 -1.1
Ottawa 1 Western Mass 1 -1.1
Virginia Beach 2 West Virginia 0 -1.0
Baltimore 2 Brooklyn 2 -1.0
Nashville 0 Palmetto 0 +0.2
Ottawa 1 Azul 0 +0.2
Bermuda 2 Baltimore 1 +0.1
Long Island 5 Brooklyn 3 +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 -0.0
Points
Chance Will Make Playoffs