How are these numbers calculated?

Big Games

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

Thursday100.0*Average seed
Montreal 0 NY Islanders 2 -0.5
NY Rangers 2 Buffalo 1 -0.1
Tampa Bay 4 Philadelphia 2 +0.0
If winner is:HomeHome OTHome SOAway SOAway OTAway
Friday100.0*Average seed
Tampa Bay vs Columbus-0.1-0.0+0.0+0.1+0.1+0.1

What If

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

100100100100100100100100100100100100100100100100
If finish:Chance inPresChance will finish regular season at seed
TPW-OTL-OTplayoffsTrophy12345678910111213141516Count
1341-00-0InNo1005,520,450
1330-10-0InNo80201,781,015
1320-00-1InNo623441,577,543
1310-01-0InNo385574,889,452
Total:InNo7126313,768,460
Points
Chance Will Make Playoffs