3 days only when you book between 10th and 12th of Nov to celebrate the Chinese “Back Friday”, Double 11.
It says up to 50%, but I suspect many will be between 30% and 40%.
Combine with the below deal and you have a real winner - I've previously booked prepaid rate manage to get $100 cash back.
If you have accor amex offer on multiple cards and thinking of staying more than 2 consecutive nights, use one card per night if they are over $200 a night. And then, email the hotel to combine the reservation
List of Participating hotels can found under below link;