How are these numbers calculated?

Big Games

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

Week of 2/17100.0*Chance in playoffs100.0*Average seed
New York Rangers 166.496 Nashville Preda 156.803 -9.7
-0.5
Ottawa Senators 161.415 Montreal Canadi 124.102 -3.4
-0.1
Colorado Rockies 197.049 Chicago Blackha 134.094 +0.9
Hartford Whalers 127.256 New Jersey Devils 200.988 +0.8
-0.1
If winner is:HomeAway
Week of 2/24100.0*Chance in playoffs100.0*Average seed
Nashville Preda vs New York Rangers+20.6-20.6
+0.7-0.7
Winnipeg Jets vs Ottawa Senators+9.0-9.0
+0.2-0.2
Anaheim Ducks vs Chicago Blackha-1.0+1.0
Cleveland Barons vs Hartford Whalers+0.5-0.5
Edmonton Oilers vs New York Island+0.1-0.1
Vegas Golden Kn vs New Jersey Devils+0.1-0.1
+0.1-0.1

What If

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

100100100100100100100100100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs1234567891011121314151617181920Count
143-0In5050802,935
132-198.1%8593122,409,126
121-262.010523712,407,268
110-319.319611810802,591
Total:75.0%93233223006,421,920
Games Above .500
Chance Will Make Playoffs