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
Sayville 52 Hauppauge 59 +0.4
-0.1
Mt. Sinai 68 Sachem East 58 -0.2
-0.1
Glenn 56 Kings Park 63 +0.2
SWR 55 Rocky Point 66 +0.2
-0.1
Harborfields 59 Connetquot 54 -0.2
-0.0
Hampton Bays 77 Westhampton 71 +0.1
+0.1
Sachem North 53 BBP 62 -0.1
ESM 47 Smithtown East 57 +0.1
Center Moriches 98 BBP 55 +0.0

What If

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

100100100100100100100100100100100100100100100100100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs12345678910111213141516171819202122232425262728Count
86-0In011137428109,390
75-194.7%011030351950084,919
64-212.8002113035184000309,660
53-30.000111323617200576,414
42-4Out01728392140574,421
31-5Out04264723288,423
20-6Out118955,977
Total:6.8%000011235661113141310961,899,204
Games Above .500
Chance Will Make Playoffs