Well, here goes another change to the non-refundable deposit policy. Deposit is now calculated as 10% of cruise fare (after discounts) for bookings on or after June 1st.
https://creative.rccl.com/Sales/Celebrity/General_Info/5_15_23_Suite_Percentage_Deposit_FAQs.pdf
When we changed the dates on a cruise we had booked just two days earlier we only had to pay the $100.00 per person fee, not a full cancellation. Our FCC and deposit transferred over seamlessly.