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
Ottawa 1 Boston 4 +6.0
+0.6
Colorado 1 Philadelph 0 +0.5
If winner is:HomeAway
Thursday100.0*Chance in playoffs100.0*Average seed
Boston vs Dallas+3.5-4.8
+0.4-0.5
Winnipeg vs Pittsburgh+0.3-0.5
San Jose vs Ottawa+0.3-0.5
Edmonton vs Philadelph+0.3-0.5
Montreal vs Chicago-0.4+0.4
Tampa Bay vs Buffalo+0.3-0.4
Washington vs Colorado-0.2+0.3
Toronto vs Nashville+0.1-0.2
Anaheim vs NYRangers+0.1-0.1

What If

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

100100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TPWL-OTTplayoffs12345678910111213Count
78-98In100604*
763611-00In1000700
743512-00In99002,027
723413-00In98115,364
703314-00In9631012,413
683215-00In9253026,356
663116-00In84106050,063
643017-00In7117120086,982
622918-00In522521200138,546
602819-00In323031710201,908
582720-00In14293517300268,601
562621-00100.0%4222929133000329,054
542522-00100.0111153027123000370,139
522423-0099.10441729271451000380,962
502324-0092.301141527281761000360,943
482225-0068.70013122429219200314,341
462126-0033.60000292230241020250,276
442027-009.4000028203126112184,046
421928-001.400172235278123,177
401829-000.1002928402276,787
381730-000.000215414243,281
361631-00Out006326222,108
341532-00Out02207910,230
321433-00Out010894,418
301334-00Out05951,703
281235-00Out397571
261136-00Out199183
4-24Out100389*
Total:77.2%1010111110987765423,266,172

* 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
Ottawa 1 Boston 4 -1.1
If winner is:HomeAway
Thursday100.0*Lottery seed
Boston vs Dallas-0.8+1.1

What If

100100100100100100100100100100100100100100100100100100100100100100100100100100
If finish:Chance will finish season at seed
TPWL-OTT1234567891011121314151617181920212223242526
78-98100
763611-001000
743512-00991
723413-00973
703314-0094600
683215-00861310
663116-007225300
643017-00513810100
622918-00264224710
602819-00826342282000
582720-00172030251341000
562621-000031122272110310000
542522-00001310202622124100000
522423-00000261524251782001000
502324-000003919262211261000
482225-000001616252015114100
462126-00000021021615201672000
442027-000002803102126209200
421928-0000100151527291751
401829-0000002102433236
381730-0000019274023
361631-00002123947
341532-00042770
321433-00011585
301334-000793
281235-000397
261136-00199
4-24100
Total:56555555554444443333332221