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
Flyers 135.333 North Stars 141.303 -7.4
-0.7
Canucks 122.696 Coyotes 122.24 -2.1
+0.1
Oilers 142.703 Capitals 166.044 -1.3
Islanders 113.047 Ducks 131.598 -0.8
Senators 77.836 Rockies 103.028 -0.2
-0.2
Bruins 131.979 Blackhawks 119.466 -0.1
Jets 91.559 Rangers 108.335 +0.1
-0.2
Whalers 94.499 Maple Leafs 164.822 -0.1
Week of 2/27100.0*Chance in playoffs100.0*Average seed
Sharks 195.778 Flyers 176.404 -19.3
-0.6
Oilers 162.424 Coyotes 164.588 -5.5
-0.2
Canucks 141.462 Bruins 124.063 -5.3
-0.2
Devils 118.912 Capitals 150.193 -2.2
-0.1
Ducks 185.693 Lightning 134.659 -1.8
-0.1
Rangers 154.234 Whalers 106.165 +0.4
-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
Flyers vs Maple Leafs+37.5Out
+1.0-1.0
Canucks vs Oilers-12.5+12.5
-0.2+0.2
Coyotes vs Bruins-12.5+12.5
-0.2+0.2
Lightning vs Capitals+0.2-0.2
Ducks vs Blackhawks-0.2+0.3

What If

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

100100100100100100100100100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs1234567891011121314151617181920Count
131-075.0%25502511,884,656
120-1Out25502511,883,504
Total:37.5%122525251323,768,160
Games Above .500
Chance Will Make Playoffs