How are these numbers calculated?

Big Games

How we did yesterday and who we should root for today.   Explain

Wednesday100.0*Chance in playoffs100.0*Average seed
Squares 0 Islanders 1 (ot)In
+0.2
Compton 1 Princes 5 -0.3
+0.0
If winner is:HomeHome OTAway OTAway
Thursday100.0*Chance in playoffs100.0*Average seed
Islanders vs Costanzas+0.1+0.1+0.0-0.1
Squares vs Princes+0.0+0.1+0.0-0.0

What If

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

100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TPW-OTL-OTplayoffs12345678Count
48-52In1006,475,472*
470-01-1In8515729,757
460-02-0In524261,292,863
Total:In91818,498,092

* Row combines multiple less frequent records.

Points
Chance Will Make Playoffs