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
Wilmington 0 Cincinnati 2 -13.8
-0.4
Toronto 2 Orlando 1 +12.5
+0.1
Charleston 2 Bethlehem 1 +2.1
+0.1
Charlotte 4 Pittsburgh 0 +0.1
+0.0
Week of 9/17100.0*Chance in playoffs100.0*Average seed
Harrisburg 1 Wilmington 1 -5.9
+0.2
Cincinnati 1 Orlando 0 +5.3
+0.1
Bethlehem 1 Pittsburgh 1 +0.1
Week of 9/24100.0*Chance in playoffs100.0*Average seed
Bethlehem 0 Orlando 2 Out
-0.7
Wilmington 2 Richmond 0 +44.5
+0.8
Montreal 1 Harrisburg 3 -0.3
Points
Chance Will Make Playoffs