How are these numbers calculated?

Big Games

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

Wednesday100.0*Chance in playoffs100.0*Average seed
Dallas 3 Calgary 4 (ot)-5.6
-0.5
Colorado 1 Philadelph 0 -0.5
-0.1
If winner is:HomeAway
Thursday100.0*Chance in playoffs100.0*Average seed
Boston vs Dallas-5.2+5.2
-0.5+0.5
Washington vs Colorado+0.5-0.5
+0.1-0.1
Tampa Bay vs Buffalo-0.5+0.5
Montreal vs Chicago+0.4-0.4
Anaheim vs NYRangers-0.4+0.4
Edmonton vs Philadelph-0.4+0.4
San Jose vs Ottawa-0.4+0.4
Winnipeg vs Pittsburgh-0.3+0.3

What If

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

100100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TPWL-OTTplayoffs12345678910111213Count
75-97In100307*
733512-00In1000383
713413-00In99001,143
693314-00In97212,721
673215-00In93426,118
653116-00In84106011,866
633017-00In7018121021,544
612918-00In49282020035,797
592819-00In273628810055,283
572720-00100.0%103528197100076,988
552621-00100.02251826198200099,773
532522-0099.20136182622114100117,874
512423-0092.00515152525166200127,631
492324-0066.410141122272110300127,964
472225-0029.00000281928251440117,501
452126-007.00001616292916399,392
432027-000.8000141632331377,687
411928-000.1001520413255,269
391829-000.00018365436,327
371730-00Out003237421,667
351631-00Out00128711,774
331532-00Out05946,040
311433-00Out2982,614
291334-00Out1991,141
3-27Out100708*
Total:60.3%710777888888881,115,512

* 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

Wednesday100.0*Lottery seed
Dallas 3 Calgary 4 (ot)+1.0
If winner is:HomeAway
Thursday100.0*Lottery seed
Boston vs Dallas+1.0-1.0

What If

100100100100100100100100100100100100100100100100100100100100100100100100100100
If finish:Chance will finish season at seed
TPWL-OTT1234567891011121314151617181920212223242526
75-97100
733512-001000
713413-00982
693314-009450
673215-0086140
653116-007026300
633017-00473912200
612918-002240279200
592819-005203326123100
572720-000313252819820000
552621-000014132327199310000
532522-00000281826241451000100
512423-0000131020252010306200
492324-000014112020111911310
472225-0000003917112322113100
452126-00001615152525156100
432027-0000100171727271540
411928-00000003112533236
391829-0000018264123
371730-00002113850
351631-000032573
331532-0011287
311433-000595
291334-00298
271235-000100
3-25100
Total:34444444444444444444444444