How are these numbers calculated?

Big Games

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

Week of 2/25100.0*Average seed
Chicago Blackha 136.451 Dallas Stars 155.815 -0.4
Anaheim Ducks 172.332 Vancouver Canucks 98.577 -0.1
Hartford Whalers 144.038 Colorado Rockies 206.913 +0.1
Week of 3/4100.0*Average seed
Chicago Blackha 117.32 Tampa Bay Light 106.65 +0.2
Toronto Maple L 149.569 Hartford Whalers 125.843 +0.1
Anaheim Ducks 150.745 New Jersey Devils 166.517 +0.1
If winner is:HomeAway
Week of 3/11100.0*Average seed
Vancouver Canucks vs Chicago Blackha-0.4+0.4
New York Rangers vs Hartford Whalers+0.2-0.2
Tampa Bay Light vs Anaheim Ducks+0.2-0.2
California Gold vs Dallas Stars+0.1-0.1

What If

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

If finish:Chance inChance will finish regular season at seed
Games Above .500
Chance Will Make Playoffs