How are these numbers calculated?

Big Games

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

Tuesday100.0*Chance in playoffs100.0*Average seed
Montreal 3 Colorado 7 +0.6
Philadelph 6 Columbus 3 +0.5
+0.0
Ottawa 3 Nashville 4 +0.4
Dallas 5 Boston 3 +0.4
Minnesota 2 Detroit 4 -0.4
-0.2
If winner is:HomeAway
Wednesday100.0*Chance in playoffs100.0*Average seed
Pittsburgh vs Washington-4.6+6.6
-0.4+0.6
San Jose vs Montreal+0.8-1.1
+0.0-0.1
Detroit vs NYRangers-0.8+0.6
-0.1+0.1
Colorado vs Nashville+0.2-0.3

What If

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

100100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TPWL-OTTplayoffs12345678910111213Count
5030-0055.7%041734311220870,405
4821-000.3042143313,413,251
44-46Out1006,298,916*
Total:4.7%001348147010,582,572

* Row combines multiple less frequent records.

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

Tuesday100.0*Lottery seed
Minnesota 2 Detroit 4 +0.2
Tampa Bay 2 NewJersey 3 (ot)-0.1
Dallas 5 Boston 3 +0.1
Philadelph 6 Columbus 3 -0.1
LosAngeles 5 Anaheim 2 -0.0
If winner is:HomeAway
Wednesday100.0*Lottery seed
Pittsburgh vs Washington+0.9-1.2
Philadelph vs Tampa Bay-0.1+0.2
Detroit vs NYRangers+0.1-0.1
Anaheim vs NewJersey+0.1-0.1
Floride vs Winnipeg-0.1+0.1
Edmonton vs Dallas-0.1+0.1
San Jose vs Montreal-0.0+0.1

What If

100100100100100100100100100100100100100100100100100100100100100100100100100100
If finish:Chance will finish season at seed
TPWL-OTT1234567891011121314151617181920212223242526
5030-0004183472013400
4821-0000192738214
4612-0030646
4403-0045541
Total:00131213912203810