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*Average seed
Comsewogue 64 Lindenhurst 65 -0.1
Centereach 56 PatchMed 62 +0.1
Longwood 54 Southampton 66 +0.1
Smithtown East 72 Floyd 44 +0.1
Sachem North 48 Pierson 38 -0.1
Lindenhurst 77 PatchMed 81 +0.0

What If

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

100100100100100100100100100100100100100100100100100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs12345678910111213141516171819202122232425262728Count
65-038.6%0031124272110304,965
54-10.20029233324810057,258
43-2Out00182738215000264,041
32-3Out01829382050602,491
21-4Out0112343815674,462
10-5Out042868295,987
Total:0.1%00000001124812171919161,899,204
Games Above .500
Chance Will Make Playoffs