How are these numbers calculated?

Big Games

How we did last week and who we should root for this week.   Explain

Week of 11/11100.0*Chance in playoffs100.0*Average seed
New York Island 118.582 Montreal Canadi 123.766 -5.3
-1.1
Quebec Nordiques 121.704 New York Rangers 165.153 -0.3
Minnesota North 170.065 Chicago Blackha 130.949 +0.2
Winnipeg Jets 120.968 Ottawa Senators 119.855 +0.1
Detroit Red Wings 185.663 Cleveland Barons 137.769 -0.1
Tampa Bay Light 168.832 Nashville Preda 165.044 -0.1
Boston Bruins 209.532 Colorado Rockies 152.875 +0.1
If winner is:HomeAway
Week of 11/18100.0*Chance in playoffs100.0*Average seed
New Jersey Devils vs New York Island-4.4+4.4
-1.0+1.0
Chicago Blackha vs Quebec Nordiques-0.2+0.2
Arizona Coyotes vs Tampa Bay Light+0.2-0.2
Cleveland Barons vs Anaheim Ducks+0.1-0.1
Montreal Canadi vs Minnesota North-0.1+0.1
-0.1+0.1
Colorado Rockies vs Winnipeg Jets-0.1+0.1
Nashville Preda vs Boston Bruins-0.1+0.1
Detroit Red Wings vs Vancouver Canucks-0.1+0.1

What If

Chances based on how well the New York Island finish out the regular season.   Explain

100100100100100100100100100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs1234567891011121314151617181920Count
1716-0In861130921
1615-1In612315101,576
1514-2In26313481012,217
1413-3In52031301220057,418
1312-499.6%047223023103000186,799
1211-575.900171726251662000447,525
1110-610.80000281825241561000820,583
109-70.0000291926241451001,173,770
98-8Out0014132428208201,321,378
87-9Out00031328331941,172,030
76-10Out0017254225821,913
65-11Out00073558448,603
54-12Out011683186,511
43-13Out059557,234
32-14Out019912,322
21-15Out01001,626
10-16Out100934
Total:10.2%0011122334556789101112116,723,360
Games Above .500
Chance Will Make Playoffs