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 -5.2
-1.7
West Virginia 1 Palmetto 1 +0.6
+0.0
Maryland 2 Carolina 4 +0.5
+0.1
Reading 4 Brooklyn 0 -0.4
+0.0
NJ Rangers 3 Baltimore 2 -0.1
-0.1
Mississippi 1 Tampa 0 +0.1
Seacoast 1 Boston 1 +0.1
+0.1
Worcester 6 Boston 0 +0.0
Bermuda 3 Long Island 1 +0.2
Baltimore 3 Express 2 -0.1
Brooklyn 1 Westchester 0 -0.1
Nashville 0 West Virginia 0 +0.0
Week of 7/8100.0*Chance in playoffs100.0*Average seed
Seacoast 0 Worcester 2 +2.6
Baltimore 2 Brooklyn 2 +0.4
Long Island 0 Express 2 +0.4
Carolina 1 Northern Virginia 1 +0.3
Ottawa 1 Azul 0 +0.2
Boston 1 Worcester 0 -0.1
Vermont 2 Azul 4 +0.1
Maryland 7 Fredericksburg 1 +0.1
Bermuda 2 Baltimore 1 +0.1
Seacoast 0 Portland Phoenix 0 -0.1
Ottawa 1 Western Mass 1 +0.1
Nashville 0 Palmetto 0 +0.1
Orlando City 1 Bradenton 3 -0.1
Fire-PDL 0 Cincinnati 3 +0.0
Fire-PDL 2 Forest City 1 +0.0
West-Texas 1 Laredo 3 +0.0
Week of 7/15100.0*Chance in playoffs100.0*Average seed
Baltimore 2 Long Island 1 +0.4
Nashville 5 Fredericksburg 0 -0.4
Points
Chance Will Make Playoffs