How are these numbers calculated?

Big Games

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

Week of 7/4100.0*Chance in playoffs100.0*Average seed
Braddock Road 0 Washington 3 +17.3
+0.2
Charlotte 6 Atlanta 1 -6.1
-0.1
Week of 7/11100.0*Chance in playoffs100.0*Average seed
Dayton 2 Washington 4 +23.8
+0.3
Carolina 0 Charlotte 2 -11.2
-0.1
Braddock Road 0 Washington 2 Yes
+0.1
Points
Chance Will Make Playoffs