How are these numbers calculated?

Big Games

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

Week of 1/28100.0*Chance in playoffs100.0*Average seed
Harford 7 Potomac 3 +3.5
+0.3
Bowie 2 Metro 1 -1.1
Navy 1 Bowie 3 -1.0
Harford 4 Navy 0 +1.0
+0.1
Piedmont 2 Baltimore 5 -0.6
-0.1
Baltimore 3 TriCity 1 -0.4
-0.0
Metro 7 TriCity 1 +0.1
Reston 1 Howard 3 -0.0
Week of 2/4100.0*Chance in playoffs100.0*Average seed
Harford 2 TriCity 0 +4.9
+0.3
Harford 0 Piedmont 3 -1.6
-0.3
Bowie 4 Reston 2 -0.8
Hagerstown 1 Baltimore 4 -0.3
-0.0
TriCity 0 Potomac 1 -0.1
Potomac 6 Hagerstown 2 -0.0
Howard 1 Navy 2 +0.1
Navy 0 Howard 3 -0.1
Week of 2/11100.0*Chance in playoffs100.0*Average seed
Bowie 2 Potomac 2 In
-0.0
Harford 10 Hagerstown 2 In
+0.1
Potomac 2 Baltimore 2 In
+0.0
Harford 3 Howard 6 -0.7
-0.2
Piedmont 0 Howard 4 -0.1

What If

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

100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TPW-OTLTplayoffs1234567891011Count
270-000In10059,144,228
Total:In10059,144,228
Points
Chance Will Make Playoffs