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 +5.2
+0.1

What If

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

100100100100100100100100100100100100100100100100100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs12345678910111213141516171819202122232425262728Count
75-0Yes10087,386
64-197.4%973393,384
53-269.469310669,765
42-319.620792528,694
31-40.818217193,935
20-5No485226,040
Total:54.8%554231,899,204
Games Above .500
Chance Will Make Playoffs