How are these numbers calculated?

Big Games

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

Week of 3/11100.0*Chance in playoffs100.0*Average seed
Blackhawks 6 Canadiens 4 +22.9
+0.7
Rangers 1 Flyers 6 +1.3
If winner is:HomeAway
Week of 3/18100.0*Chance in playoffs100.0*Average seed
Flyers vs Blackhawks-21.9+21.9
-0.7+0.7
Rangers vs Jets+3.1-3.1
-0.1+0.1

What If

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

100100100100100100
If finish:Chance inChance will finish regular season at seed
TPW-L-Tplayoffs123456Count
92-0-0In75259,653,126
6.51-1-093.7%64444619,273,018
40-2-0Out50509,655,796
Total:71.8%222822161238,581,940
Points
Chance Will Make Playoffs