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
Oilers 142.703 Capitals 166.044 +7.2
+0.8
Jets 91.559 Rangers 108.335 -3.8
-0.1
Canucks 122.696 Coyotes 122.24 -0.7
-0.1
Flyers 135.333 North Stars 141.303 +0.6
Bruins 131.979 Blackhawks 119.466 -0.4
-0.2
Islanders 113.047 Ducks 131.598 -0.1
-0.1
Lightning 130.342 Devils 95.466 +0.1
Week of 2/27100.0*Chance in playoffs100.0*Average seed
Devils 118.912 Capitals 150.193 +11.8
+0.8
Oilers 162.424 Coyotes 164.588 -3.2
-0.1
Rangers 154.234 Whalers 106.165 -2.8
-0.1
Sharks 195.778 Flyers 176.404 +2.7
+0.1
Canucks 141.462 Bruins 124.063 -2.4
Ducks 185.693 Lightning 134.659 +0.8
-0.2
If winner is:HomeAway
Week of 3/6100.0*Chance in playoffs100.0*Average seed
Lightning vs CapitalsOut+14.2
-0.8+0.8
Flyers vs Maple Leafs-11.3+11.3
-0.3+0.3
Canucks vs Oilers-11.3+11.3
-0.2+0.2
Ducks vs Blackhawks+2.9-2.9
-0.2+0.2
Coyotes vs Bruins-1.7+1.7

What If

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

100100100100100100100100100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs1234567891011121314151617181920Count
131-028.4%3254625111,883,807
120-1Out505011,884,353
Total:14.2%11323372623,768,160
Games Above .500
Chance Will Make Playoffs