Special characters not preserved / encoding error?

I believe the migration plugin might be incorrectly converting special characters.

“Habañero” becomes “Habañero”

Before:
http://www.tofushop.com/tofu-salad-and-spreads-2/

After:
http://dev-tofu-shop.pantheonsite.io/organic-tofu-salad-spreads-encoding-test/