How are these numbers calculated?

Big Games

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

Week of 4/4100.0*Chance in playoffs100.0*Average seed
North Oconee Hi 6 Elbert County H 0 -1.5
-0.1
Week of 4/11100.0*Chance in playoffs100.0*Average seed
Morgan County H 6 Elbert County H 3 -1.0
Elbert County H 2 Hart County Hig 4 -0.9
Morgan County H 3 Franklin County 2 +0.1
Week of 4/21None
Points
Chance Will Make Playoffs