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
Ottawa Senators 161.415 Montreal Canadi 124.102 +11.1
+0.6
Colorado Rockies 197.049 Chicago Blackha 134.094 +3.3
+0.1
Tampa Bay Light 202.03 Edmonton Oilers 140.907 +1.0
+0.1
Hartford Whalers 127.256 New Jersey Devils 200.988 +0.7
+0.1
New York Rangers 166.496 Nashville Preda 156.803 +0.2
New York Island 128.656 Anaheim Ducks 122.674 -0.1
If winner is:HomeAway
Week of 2/24100.0*Chance in playoffs100.0*Average seed
Winnipeg Jets vs Ottawa Senators-16.4+16.4
-0.6+0.6
Nashville Preda vs New York Rangers-5.5+5.5
Anaheim Ducks vs Chicago Blackha+3.6-3.6
+0.2-0.2
Cleveland Barons vs Hartford Whalers+0.4-0.4
+0.1-0.1
Edmonton Oilers vs New York Island-0.3+0.3
-0.1+0.1

What If

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

100100100100100100100100100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs1234567891011121314151617181920Count
133-0In1064262,289,578
122-160.8%75433606,860,654
111-26.1638451016,861,631
100-3Out3284521202,289,097
Total:37.6%1102627231030018,300,960
Games Above .500
Chance Will Make Playoffs