How are these numbers calculated?

Big Games

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

Week of 9/5100.0*Chance in playoffs100.0*First-round bye100.0*Average seed
New York 3 Louisville 2 +16.1
+0.4
+0.9
Charlotte 2 Wilmington 2 +2.3
+0.1
Pittsburgh 1 Charleston 1 +0.8
+0.1
Montreal 2 New York 0 -0.7
No
-0.7
Richmond 0 Rochester 0 +0.4
+0.0
Charlotte 4 Toronto 1 -0.2
-0.1
Week of 9/12100.0*Chance in playoffs100.0*First-round bye100.0*Average seed
Wilmington 1 Pittsburgh 1 +1.5
+0.1
St Louis 2 Charlotte 0 +1.3
+0.3
Harrisburg 1 Richmond 1 +1.2
+0.2
Charleston 2 Louisville 0 -1.2
-0.3
Montreal 0 Harrisburg 5 -0.2
Pittsburgh 1 Rochester 1 +0.1
Week of 9/19100.0*Chance in playoffs100.0*First-round bye100.0*Average seed
Rochester 3 New York 2 -0.3
Harrisburg 1 Pittsburgh 2 +0.3
Charleston 3 Charlotte 1 +0.1
Points
Chance Will Make Playoffs