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

What If

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

100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TPW-D-Lplayoffs12345678Count
360-0-0In10072,058,464
Total:In10072,058,464
Points
Chance Will Make Playoffs