How are these numbers calculated?

Big Games

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

Week of 3/6100.0*Chance in playoffs100.0*Average seed
Gordon Central 1 Cartersville Hi 5 +14.2
+0.6
North Murray Hi 3 Cartersville Hi 1 -9.7
-0.5
Sonoraville Hig 3 Adairsville Hig 2 -2.0
-0.1
Coahulla Creek 2 Ringgold High S 3 -2.0
Gordon Central 4 Adairsville Hig 0 -1.5
North Murray Hi 1 Lakeview-Ft Ogl 2 -1.4
Lakeview-Ft Ogl 1 Ringgold High S 2 +0.2
Week of 3/13100.0*Chance in playoffs100.0*Average seed
Adairsville Hig 0 Cartersville Hi 9 +10.6
+0.5
Lakeview-Ft Ogl 1 Cartersville Hi 3 +9.8
+0.5
Coahulla Creek 9 Gordon Central 1 +1.4
North Murray Hi 2 Sonoraville Hig 0 +1.0
Sonoraville Hig 3 Ringgold High S 1 +0.7
Gordon Central 1 Lakeview-Ft Ogl 0 +0.3

What If

Chances based on how well the Cartersville Hi finish out the regular season.   Explain

100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TPW-D-Lplayoffs12345678Count
330-0-0In10024,019,488
Total:In10024,019,488
Points
Chance Will Make Playoffs