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 +9.4
+1.3
+0.8
Richmond 0 Rochester 0 +0.8
+0.1
Charlotte 2 Wilmington 2 +0.5
+0.1
Montreal 2 New York 0 -0.3
No
-0.5
Charlotte 4 Toronto 1 -0.2
-0.1
Pittsburgh 1 Charleston 1 +0.1
+0.1
Week of 9/12100.0*Chance in playoffs100.0*First-round bye100.0*Average seed
Charleston 2 Louisville 0 -0.9
-0.3
Harrisburg 1 Richmond 1 +0.7
+0.1
Wilmington 1 Pittsburgh 1 +0.7
+0.1
St Louis 2 Charlotte 0 +0.6
+0.2
Montreal 0 Harrisburg 5 -0.1
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 -0.6
Harrisburg 1 Pittsburgh 2 +0.1
Points
Chance Will Make Playoffs