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
Reston 1 Howard 3 +0.0
+0.2
Harford 7 Potomac 3 +0.0
Harford 4 Navy 0 -0.1
Week of 2/4100.0*Chance in playoffs100.0*Average seed
Hagerstown 1 Baltimore 4 -0.3
Navy 0 Howard 3 In
+0.3
Harford 2 TriCity 0 -0.2
-0.1
Howard 1 Navy 2 -0.2
TriCity 0 Potomac 1 -0.2
Harford 0 Piedmont 3 +0.1
Potomac 6 Hagerstown 2 -0.2
Week of 2/11100.0*Chance in playoffs100.0*Average seed
Harford 3 Howard 6 +0.4
Piedmont 0 Howard 4 +0.4
Harford 10 Hagerstown 2 -0.1
Potomac 2 Baltimore 2 +0.1
Bowie 2 Potomac 2 +0.1

What If

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

100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TPW-OTLTplayoffs1234567891011Count
320-000In10020,572,344
Total:In10020,572,344
Points
Chance Will Make Playoffs