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 +1.7
-0.1
Wilmington 0 Cincinnati 2 +0.8
+0.1
Charleston 2 Bethlehem 1 +0.4
+0.2
Charlotte 4 Pittsburgh 0 +0.1
+0.2
Pittsburgh 0 Cincinnati 0 +0.0
Week of 9/17100.0*Chance in playoffs100.0*Average seed
Harrisburg 1 Wilmington 1 Out
-0.3
Cincinnati 1 Orlando 0 +4.3
Bethlehem 1 Pittsburgh 1 +0.1
New York 4 Montreal 0 +0.1
Week of 9/24100.0*Chance in playoffs100.0*Average seed
Montreal 1 Harrisburg 3 +0.9
Rochester 1 Toronto 0 +0.2
Pittsburgh 0 Cincinnati 1 +0.1
Wilmington 2 Richmond 0 -0.1
Points
Chance Will Make Playoffs