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 -16.1
-1.1
Philadelph 6 Columbus 3 +2.0
Dallas 5 Boston 3 +1.9
+0.1
Minnesota 2 Detroit 4 -1.6
-0.1
Ottawa 3 Nashville 4 +1.5
If winner is:HomeAway
Wednesday100.0*Chance in playoffs100.0*Average seed
San Jose vs Montreal-20.7+28.4
-0.9+1.3
Detroit vs NYRangers-4.9+3.5
-0.2+0.2
Pittsburgh vs Washington-1.6+2.3
-0.1+0.1
Colorado vs Nashville+1.2-1.8
+0.1-0.1
Philadelph vs Tampa Bay-0.0+0.1

What If

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

100100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TPWL-OTTplayoffs12345678910111213Count
5220-00In530431922,205,589
5011-0073.8%042445224005,283,912
4802-002.4217413463,093,071
Total:58.4%16111624161410210,582,572
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
Montreal 3 Colorado 7 +1.8
Dallas 5 Boston 3 -0.1
Minnesota 2 Detroit 4 +0.1
Chicago 3 San Jose 6 +0.1
If winner is:HomeAway
Wednesday100.0*Lottery seed
San Jose vs Montreal+1.7-2.3
Detroit vs NYRangers+0.3-0.2
Pittsburgh vs Washington+0.1-0.2
Colorado vs Nashville-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

What If

100100100100100100100100100100100100100100100100100100100100100100100100100100
If finish:Chance will finish season at seed
TPWL-OTT1234567891011121314151617181920212223242526
5220-0001521392870
5011-000425454119200
4802-0020423392561
Total:0014881423256811720