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
New York 2 Pittsburgh 0 +18.6
+0.9
Tampa Bay 3 New York 2 -13.3
-0.8
Richmond 0 Orlando 1 -4.9
-0.2
Harrisburg 2 St Louis 0 +1.0
+0.0
Tampa Bay 1 Bethlehem 1 +0.9
+0.1
Ottawa 1 Charleston 1 *+0.1
Rochester 0 Louisville 0 +0.0
Week of 10/7100.0*Chance in playoffs100.0*Average seed
Orlando 5 New York 6 +37.2
+1.1
Ottawa 4 Cincinnati 0 +2.8
+0.2
Orlando 0 Tampa Bay 2 In
+0.1
Pittsburgh 0 Rochester 2 -2.0
-0.1
Rochester 1 Bethlehem 0 +1.6
+0.1
Week of 10/14100.0*Chance in playoffs100.0*Average seed
Toronto 3 Cincinnati 4 -0.4
Bethlehem 1 St Louis 1 +0.4
Rochester 2 New York 1 -0.3

* 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