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
Ottawa 3 Nashville 4 -22.1
-1.2
Montreal 3 Colorado 7 +2.9
+0.2
Dallas 5 Boston 3 +2.5
+0.2
Minnesota 2 Detroit 4 -1.1
-0.1
Philadelph 6 Columbus 3 +0.9
If winner is:HomeAway
Wednesday100.0*Chance in playoffs100.0*Average seed
San Jose vs Montreal+6.5-6.5
+0.2-0.2
Detroit vs NYRangers-4.9+4.9
-0.2+0.2
Pittsburgh vs Washington-4.3+4.3
-0.1+0.1
Philadelph vs Tampa Bay-0.1+0.1
-0.1+0.1

What If

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

100100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TPWL-OTTplayoffs12345678910111213Count
5120-0099.3%324402671882,171
4911-0032.606264420301,762,035
4702-00Out3224728883,318
Total:41.1%161091523151373,527,524
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
Ottawa 3 Nashville 4 +2.1
Montreal 3 Colorado 7 -0.2
Dallas 5 Boston 3 -0.1
Minnesota 2 Detroit 4 +0.1
Chicago 3 San Jose 6 +0.1
Philadelph 6 Columbus 3 -0.1
If winner is:HomeAway
Wednesday100.0*Lottery seed
Detroit vs NYRangers+0.3-0.3
San Jose vs Montreal-0.3+0.3
Pittsburgh vs Washington+0.2-0.2
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
5120-0000172938204100
4911-0006261823258100
4702-00182839212
Total:0002710814141213681051