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
Columbus 4 Toronto 1 -22.0
-0.6
Philadelphia 3 NY Islanders 1 +7.7
+0.2
Detroit 3 Carolina 2 -5.7
-0.1
Washington 1 Boston 4 -3.3
-0.1
If winner is:HomeHome OTHome SOAway SOAway OTAway
Sunday100.0*Chance in playoffs100.0*Average seed
Montreal vs Detroit+8.6+1.4+1.4OutOutOut
+0.1+0.0+0.0-0.1-0.1-0.1
Pittsburgh vs NY Islanders+3.6+2.6+2.6-3.1-3.1-3.1
+0.3+0.2+0.2-0.2-0.2-0.2
Tampa Bay vs New Jersey-0.0-0.0+0.1+0.1+0.1+0.1

What If

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

100100100100100100100100100100100100100100100100
If finish:Chance inPresChance will finish regular season at seed
TPWL-OTplayoffsTrophy12345678910111213141516Count
9010-016.4%No1663216,899,738
8900-17.0No756372,356,139
8801-0OutNo1459285,507,503
Total:8.8%No943371014,763,380
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
Columbus 4 Toronto 1 +1.2
Philadelphia 3 NY Islanders 1 -0.3
Detroit 3 Carolina 2 +0.2
Washington 1 Boston 4 +0.2
Colorado 3 Nashville 5 -0.0
Chicago 2 Minnesota 1 (so)+0.0
If winner is:HomeHome OTHome SOAway SOAway OTAway
Sunday100.0*Lottery seed
Pittsburgh vs NY Islanders-0.4-0.2-0.2+0.3+0.3+0.3
Montreal vs Detroit-0.3-0.0-0.0+0.3+0.3+0.3
Edmonton vs San Jose-0.1-0.0-0.0+0.1+0.1+0.1
Tampa Bay vs New Jersey+0.0+0.0-0.1-0.1-0.1-0.1

What If

100100100100100100100100100100100100100100100100100100100100100100100100100100100100100100
If finish:Chance will finish season at seed
TPWL-OT123456789101112131415161718192021222324252627282930
9010-016175215
8900-1785331
8801-0145928
Total:99383410