How are these numbers calculated?

Big Games

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

Week of 8/3100.0*Chance in playoffs100.0*First-round bye100.0*Average seed
Harrisburg 3 Charleston 0 +18.6
+1.9
+0.8
Los Angeles 1 Antigua 2 +5.3
+0.1
Wilmington 2 Charleston 1 -4.1
+0.2
-0.1
Charlotte 4 Antigua 0 -2.5
-0.1
Richmond 2 Antigua 0 -1.6
-0.1
Charleston 2 Wilmington 2 *-0.1
+0.2
+0.0
Rochester 0 Orlando 1 +0.4
Week of 8/10100.0*Chance in playoffs100.0*First-round bye100.0*Average seed
Richmond 2 Harrisburg 1 -14.5
-4.1
-0.9
Pittsburgh 0 Charlotte 3 -4.5
-0.1
-0.1
Rochester 0 Charleston 4 -1.4
+2.4
-0.2
Dayton 2 Charlotte 2 +0.7
+0.1
+0.1
Los Angeles 1 Antigua 0 -0.0
Week of 8/19100.0*Chance in playoffs100.0*First-round bye100.0*Average seed
Los Angeles 0 Harrisburg 1 In
+0.5
Charlotte 1 Wilmington 2 -11.6
-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