pot value

Ok, got it. Well it seems to work almost perfectly now. I twisted the pot for about 10-15 seconds and it recorded all the data near perfectly. Although it displayed some weird values two or three times....is this expected?

This is letter: A
<527>
This is letter: A
<0>
This is letter: A
<555>
This is letter: A
<0>
This is letter: A
<557>
This is letter: A
<0>
This is letter: A
<546>
This is letter: A
This is letter: A
<222>
This is letter: A
<228>
This is letter: A
<234>
This is letter: A
<-21897>
This is letter: A
<5>
This is letter: A
<277>
This is letter: A
<283>
This is letter: A

I don't have the wires soldered yet so this might be a reason of improper values as the connection?