How are these numbers calculated?

Big Games

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

Week of 12/27100.0*Chance in playoffs100.0*Average seed
Mt. Sinai 68 Sachem East 58 +0.4
+0.1
ESM 47 Smithtown East 57 -0.3
-0.1
Central Islip 62 Newfield 58 +0.2
Northport 75 HHH West 69 -0.1
Smithtown East 72 Floyd 44 -0.1
Comsewogue 64 Lindenhurst 65 +0.1
Lindenhurst 77 PatchMed 81 -0.1
Copiague 54 Commack 63 -0.1

What If

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

100100100100100100100100100100100100100100100100100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs12345678910111213141516171819202122232425262728Count
148-0In6532202,274
137-1In33451830017,231
126-2In212303218510060,589
115-3In002922302410200120,402
104-4In0016172727165100150,653
93-5100.0%0003112329219200121,075
82-688.7001412232821920060,801
71-78.700172131261120017,579
60-8Out1621342610202,110
Total:95.5%134679101087776543211000000552,714
Games Above .500
Chance Will Make Playoffs