How are these numbers calculated?

Big Games

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

Thursday100.0*Chance in playoffs100.0*Average seed
Detroit 3 Carolina 2 +11.7
+0.4
Philadelphia 3 NY Islanders 1 +8.3
+0.2
Columbus 4 Toronto 1 +8.2
+0.2
Washington 1 Boston 4 -4.4
-0.1
If winner is:HomeHome OTHome SOAway SOAway OTAway
Sunday100.0*Chance in playoffs100.0*Average seed
Montreal vs Detroit-23.2+4.5+4.4+20.4+20.5+20.5
-0.4+0.1+0.1+0.4+0.4+0.4
Pittsburgh vs NY Islanders+13.7+10.2+10.1-11.9-11.9-11.9
+0.2+0.1+0.1-0.1-0.1-0.1
Florida vs Boston+0.1-0.0-0.0-0.1-0.1-0.1

What If

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

100100100100100100100100100100100100100100100100
If finish:Chance inPresChance will finish regular season at seed
TPWL-OTplayoffsTrophy12345678910111213141516Count
9220-0InNo29713,571,164
9110-1InNo16842,264,154
9011-073.2%No73275,285,853
00-273.2No7327327,894
8901-131.0No3149201,528,309
8802-07.9No843491,786,006
Total:71.5%No96220814,763,380
Points
Chance Will Make Playoffs

Lottery

Ye of little faith, already thinking about next year. Here are the big games and what ifs for draft seeds.

Big Games

Thursday100.0*Lottery seed
Detroit 3 Carolina 2 -0.7
Columbus 4 Toronto 1 -0.3
Philadelphia 3 NY Islanders 1 -0.3
Washington 1 Boston 4 +0.3
If winner is:HomeHome OTHome SOAway SOAway OTAway
Sunday100.0*Lottery seed
Montreal vs Detroit+1.0-0.2-0.1-0.9-0.9-0.9
Pittsburgh vs NY Islanders-0.4-0.3-0.3+0.4+0.4+0.4
Florida vs Boston-0.2+0.0+0.0+0.2+0.2+0.2

What If

100100100100100100100100100100100100100100100100100100100100100100100100100100100100100100
If finish:Chance will finish season at seed
TPWL-OT123456789101112131415161718192021222324252627282930
9220-02971
9110-11684
9011-073720
00-273720
8901-13174517
8802-084349
Total:9623178