How are these numbers calculated?

Big Games

How we did yesterday and who we should root for today.   Explain

Tuesday100.0*Chance in playoffs100.0*Average seed
Squares 4 Reactors 2 +4.3
+0.3
Princes 2 Tsunamis 4 +3.4
Dynasty 1 Hipsters 2 +1.7
Turtles 2 Cats 3 (ot)-0.4
+0.0
Nannies 0 Pixies 3 +0.1
Islanders 5 Crabs 0 +0.0
Wednesday100.0*Chance in playoffs100.0*Average seed
Trails 0 Squares 2 +20.1
+0.3
Turtles 1 Crabs 2 (ot)+8.9
+0.1
Compton 2 Nannies 1 (ot)+0.1
Reactors 0 Hipsters 1 (ot)+8.5
Cats 0 Princes 2 -7.1
-0.1
Islanders 0 Dynasty 2 +5.1
+0.0
Thursday100.0*Chance in playoffs100.0*Average seed
Princes 3 Dynasty 2 (ot)Out
-0.1
Squares 1 Cats 2 Out
-0.1
Points
Chance Will Make Playoffs

Lottery

We are out of the playoffs. Here are the big games and what ifs for draft seeds.
Although it might be more fun to go down swinging.

Big Games

Tuesday100.0*Lottery seed
Squares 4 Reactors 2 -0.3
Nannies 0 Pixies 3 -0.1
Princes 2 Tsunamis 4 -0.1
Turtles 2 Cats 3 (ot)-0.0
Islanders 5 Crabs 0 -0.0
Wednesday100.0*Lottery seed
Trails 0 Squares 2 -0.2
Cats 0 Princes 2 +0.2
Turtles 1 Crabs 2 (ot)-0.1
Islanders 0 Dynasty 2 +0.1
Thursday100.0*Lottery seed
Princes 3 Dynasty 2 (ot)+0.1
Squares 1 Cats 2 +0.1