The LinkedIn password release debacle is still in full swing, as millions discover that their account was potentially compromised. I recommend that you, no matter what, change your LinkedIn password.
However, if you want to see whether or not your account was specifically made unsafe, there is an answer. Meet LeakedIn (ten points to its creators for the name), which will hash your password client side, and check that value against what leaked. It’s a safe way to check and see if your password was lade bare. [As always: use at your own risk.]
Oh, and if you were compromised, you get one of these, I just found out: