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)-6.3
-0.6
Colorado 1 Philadelph 0 -0.4
Chicago 2 Edmonton 1 -0.2
If winner is:HomeAway
Thursday100.0*Chance in playoffs100.0*Average seed
Boston vs Dallas-4.5+6.0
-0.4+0.6
San Jose vs Ottawa-0.4+0.6
Anaheim vs NYRangers-0.5+0.4
Washington vs Colorado+0.4-0.5
+0.0-0.1
Tampa Bay vs Buffalo-0.4+0.5
Edmonton vs Philadelph-0.4+0.5
Winnipeg vs Pittsburgh-0.3+0.5
Montreal vs Chicago+0.3-0.4
+0.0-0.1

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
75-97In100705*
733512-00In9900982
713413-00In99102,633
693314-00In96316,531
673215-00In9163014,820
653116-00In82126029,964
633017-00In6522121056,066
612918-00In43342030094,684
592819-00In2241269200149,008
572720-00100.0%738252082000211,866
552621-00100.0126142520103000275,809
532522-0099.001441525231341000332,004
512423-0090.905141324261872000365,937
492324-0063.910031022282211300368,734
472225-0027.60000271828261440343,928
452126-006.4000015162930153294,006
432027-000.80001517333312230,667
411928-000.10015224230165,224
391829-000.000193752109,037
371730-00Out003257265,583
351631-00Out01148536,010
331532-00Out0079317,946
311433-00Out03978,182
291334-00Out1993,368
271235-00Out1991,244
3-25Out100870*
Total:58.2%610667888899883,185,808

* 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)+1.1
If winner is:HomeAway
Thursday100.0*Lottery seed
Boston vs Dallas+0.9-1.1

What If

100100100100100100100100100100100100100100100100100100100100100100100100100100
If finish:Chance will finish season at seed
TPWL-OTT1234567891011121314151617181920212223242526
77-97100
753611-001000
733512-009810
713413-009730
693314-009190
673215-00791920
653116-006132610
633017-00364218400
612918-00143432154100
592819-002142830186100
572720-000282028241341000
552621-0000029192623135100000
532522-000001615242517720001000
512423-0000039192521113072000
492324-00000141119191021123000
472225-0000003916142521102000
452126-000001528202822113000
432027-0000100311232922920
411928-00000015162930153
391829-000000314323615
371730-00003174237
351631-000063262
331532-00011980
311433-000991
291334-000496
271235-00298
251136-000100
3-23100
Total:23334444444444435554444443