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
Mattituck 95 Shelter Island 49 -12.0
-0.2

What If

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

100100100100100100100100100100100100100100100100100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs12345678910111213141516171819202122232425262728Count
74-0Yes10034,583
63-186.1%86140138,005
52-239.840529207,449
41-34.855045138,140
30-4No316934,537
Total:43.9%443719552,714
Games Above .500
Chance Will Make Playoffs