As long as you booked with the aforementioned freedom fare, you can get 85% of your money back if you book within 91 days or more. The cancellation fee increases from 15% more and more as your cruise gets closer. Here is a list of the fees:
90 - 57 days: 60% cancellation fee
56 - 42 days: 75%
41 - 16 days: 85%
15 - 0 days: 100%
The saver rate always has a 100% cancellation fee.