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
Centereach 56 PatchMed 62 -0.7
-0.7
Comsewogue 64 Lindenhurst 65 +0.1
-0.1
Sachem North 53 BBP 62 +0.1
+0.1
ESM 47 Smithtown East 57 -0.1
Mt. Sinai 68 Sachem East 58 +0.1
Central Islip 62 Newfield 58 +0.1
Sachem North 48 Pierson 38 -0.1
Smithtown East 72 Floyd 44 +0.1
Lindenhurst 77 PatchMed 81 +0.1
Harborfields 59 Connetquot 54 +0.1

What If

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

100100100100100100100100100100100100100100100100100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs12345678910111213141516171819202122232425262728Count
76-096.4%00419342612302,444
65-120.9001515282816610030,109
54-20.0001415303116400156,482
43-3Out00172335248100426,407
32-4Out004173431121635,268
21-5Out003194830492,746
10-6Out1684155,748
Total:0.5%0000000011347911141618151,899,204
Games Above .500
Chance Will Make Playoffs