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
Philadelphia 3 NY Islanders 1 -22.8
-0.6
Columbus 4 Toronto 1 +13.4
+0.2
Detroit 3 Carolina 2 -5.2
-0.1
Washington 1 Boston 4 -2.3
-0.1
If winner is:HomeHome OTHome SOAway SOAway OTAway
Sunday100.0*Chance in playoffs100.0*Average seed
Pittsburgh vs NY Islanders-16.1-12.0-11.9+14.9+14.9+14.9
-0.6-0.3-0.3+0.5+0.5+0.5
Montreal vs Detroit+15.0-3.2-3.2-9.5-9.6-9.5
+0.2-0.1-0.1-0.1-0.1-0.1
Tampa Bay vs New Jersey-0.1-0.1-0.1+0.0+0.0+0.1

What If

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

100100100100100100100100100100100100100100100100
If finish:Chance inPresChance will finish regular season at seed
TPWL-OTplayoffsTrophy12345678910111213141516Count
9120-059.9%No60401,203,359
9010-111.4No115039721,349
8911-04.3No439571,686,003
00-24.3No43957108,073
8801-1OutNo7525504,755
8702-0OutNo6040590,401
Total:18.3%No18324284,813,940
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
Philadelphia 3 NY Islanders 1 +1.3
Columbus 4 Toronto 1 -0.4
Detroit 3 Carolina 2 +0.2
Washington 1 Boston 4 +0.2
Colorado 3 Nashville 5 -0.1
If winner is:HomeHome OTHome SOAway SOAway OTAway
Sunday100.0*Lottery seed
Pittsburgh vs NY Islanders+1.0+0.5+0.5-0.9-0.9-0.9
Montreal vs Detroit-0.4+0.1+0.1+0.3+0.3+0.3
Edmonton vs San Jose-0.2+0.0+0.0+0.1+0.1+0.1
Tampa Bay vs New Jersey+0.1+0.1+0.1-0.0-0.0-0.1

What If

100100100100100100100100100100100100100100100100100100100100100100100100100100100100100100
If finish:Chance will finish season at seed
TPWL-OT123456789101112131415161718192021222324252627282930
9120-06032512
9010-111114730
8911-0454150
00-2454150
8801-17525
8702-0454510
Total:18110253681