How are these numbers calculated?

Big Games

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

Week of 9/30100.0*Chance in playoffs100.0*Average seed
Richmond 0 Orlando 1 -10.1
-0.2
Tampa Bay 3 New York 2 +4.6
+0.1
New York 2 Pittsburgh 0 -3.0
-0.1
Tampa Bay 1 Bethlehem 1 -2.9
-0.3
Harrisburg 2 St Louis 0 +1.7
+0.0
Ottawa 1 Charleston 1 +0.1
Rochester 0 Louisville 0 *-0.1
+0.0
Week of 10/7100.0*Chance in playoffs100.0*Average seed
Orlando 0 Tampa Bay 2 In
+0.2
Rochester 1 Bethlehem 0 -6.4
-0.7
Ottawa 4 Cincinnati 0 +3.3
+0.2
Orlando 5 New York 6 -0.6
-0.1
Pittsburgh 0 Rochester 2 -0.2
Week of 10/14100.0*Chance in playoffs100.0*Average seed
Bethlehem 1 St Louis 1 -0.8
Toronto 3 Cincinnati 4 -0.3
Rochester 2 New York 1 +0.1

* A starred number could be exactly 0 or just really small. The simulation did not run long enough to know.

Points
Chance Will Make Playoffs