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
ESM 47 Smithtown East 57 +13.3
+1.7
Smithtown East 72 Floyd 44 +13.1
+1.8
Centereach 56 PatchMed 62 -1.0
-0.1
Mt. Sinai 68 Sachem East 58 +0.9
+0.1
Sachem North 53 BBP 62 +0.8
+0.1
Sachem North 48 Pierson 38 -0.6
-0.1
Bellport 61 Riverhead 64 +0.4
Copiague 54 Commack 63 +0.4
Lindenhurst 77 PatchMed 81 -0.4
-0.1

What If

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

100100100100100100100100100100100100100100100100100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs12345678910111213141516171819202122232425262728Count
105-0In21636311320017,322
94-1In00415293016410087,013
83-2In0014152930164100172,749
72-399.8%003132730197100172,651
61-432.900292129241130086,006
50-50.00141427311751016,973
Total:86.4%0123554591091010634542111000552,714
Games Above .500
Chance Will Make Playoffs