How are these numbers calculated?

Big Games

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

Week of 2/20100.0*Chance in playoffs100.0*Average seed
Jets 91.559 Rangers 108.335 +8.8
+0.6
Oilers 142.703 Capitals 166.044 -3.0
-0.1
Flyers 135.333 North Stars 141.303 +1.6
+0.2
Canucks 122.696 Coyotes 122.24 -0.7
+0.1
Islanders 113.047 Ducks 131.598 -0.5
Senators 77.836 Rockies 103.028 -0.1
-0.1
Week of 2/27100.0*Chance in playoffs100.0*Average seed
Rangers 154.234 Whalers 106.165 In
+0.3
Devils 118.912 Capitals 150.193 -1.2
-0.1
Oilers 162.424 Coyotes 164.588 -0.9
-0.1
Sharks 195.778 Flyers 176.404 +0.9
+0.1
Canucks 141.462 Bruins 124.063 -0.8
-0.1
Ducks 185.693 Lightning 134.659 +0.1
Rockies 140.423 Canadiens 132.252 -0.1
If winner is:HomeAway
Week of 3/6100.0*Chance in playoffs100.0*Average seed
Rockies vs Rangers-0.5+0.5

What If

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

100100100100100100100100100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs1234567891011121314151617181920Count
151-0In100011,878,262
140-1In10011,889,898
Total:In505023,768,160
Games Above .500
Chance Will Make Playoffs