How are these numbers calculated?

Big Games

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

Week of 9/9100.0*Chance in playoffs100.0*Average seed
Toronto 2 Orlando 1 +2.5
Wilmington 0 Cincinnati 2 +0.9
+0.1
Charleston 2 Bethlehem 1 +0.6
+0.1
Charlotte 4 Pittsburgh 0 +0.1
Week of 9/17100.0*Chance in playoffs100.0*Average seed
Harrisburg 1 Wilmington 1 Out
-0.4
Cincinnati 1 Orlando 0 +2.4
+0.0
Bethlehem 1 Pittsburgh 1 +0.2
New York 4 Montreal 0 +0.1
Week of 9/24100.0*Chance in playoffs100.0*Average seed
Montreal 1 Harrisburg 3 +0.9
Wilmington 2 Richmond 0 -0.1
Pittsburgh 0 Cincinnati 1 +0.1
Rochester 1 Toronto 0 +0.1
Points
Chance Will Make Playoffs