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 -6.7
-0.2
Gordon Central 4 Adairsville Hig 0 +3.3
+0.4
Coahulla Creek 2 Ringgold High S 3 -2.1
-0.2
Sonoraville Hig 3 Adairsville Hig 2 -1.8
-0.0
North Murray Hi 1 Lakeview-Ft Ogl 2 -0.6
-0.1
North Murray Hi 3 Cartersville Hi 1 +0.3
Lakeview-Ft Ogl 1 Ringgold High S 2 -0.1
-0.0
Week of 3/13100.0*Chance in playoffs100.0*Average seed
North Murray Hi 2 Sonoraville Hig 0 +1.1
Gordon Central 1 Lakeview-Ft Ogl 0 +1.1
+0.3
Coahulla Creek 9 Gordon Central 1 -1.0
-0.1
Coahulla Creek 3 Sonoraville Hig 1 +0.7
Sonoraville Hig 3 Ringgold High S 1 -0.3
+0.0
Adairsville Hig 0 Cartersville Hi 9 -0.1
Lakeview-Ft Ogl 1 Cartersville Hi 3 +0.0

What If

Chances based on how well the Gordon Central finish out the regular season.   Explain

100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TPW-D-Lplayoffs12345678Count
151-0-0Out901025,719,405
12-13Out10046,339,059*
Total:Out326872,058,464

* Row combines multiple less frequent records.

Points
Chance Will Make Playoffs