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 +10.7
+1.2
Smithtown East 72 Floyd 44 +7.7
+1.0
Comsewogue 64 Lindenhurst 65 +1.3
+0.1
Sachem North 53 BBP 62 +1.2
+0.1
Mt. Sinai 68 Sachem East 58 +1.1
+0.1
Centereach 56 PatchMed 62 -1.0
-0.1
Sachem North 48 Pierson 38 -0.7
Lindenhurst 77 PatchMed 81 -0.5
-0.1
Bellport 61 Riverhead 64 +0.3
Copiague 54 Commack 63 +0.2
+0.1
Riverhead 58 Southampton 62 +0.0

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
105-0In00521382871095,100
94-1In00519342811200402,857
83-2In002123135163000655,865
72-399.8%001824332382000517,566
61-442.00003122630207100198,285
50-50.30021129351940029,531
Total:92.3%00013587712141210743321100001,899,204
Games Above .500
Chance Will Make Playoffs