The other day I was looking at my booking calender and Airbnb offered me to set a 23% discount on these few nights that I had free the following week. I thought this would be good to attract a last minute booking, which it did (I had 3 of the 4 nights booked within the hour!). I have a few nights free next week, but now can't see how to offer a percentage off discount!
If you use the multicalender, you can create a ruleset for those days and offer a discount percentage on the listed price. Also there is a specific options called "last minute discoint".
Alternatively you can decrease the nightly prices directly in the calender for those days.
I would also like to set a special offer for the vacant days in June but have not been able to find the Multicaledar you refer to? Any assistance appreciated:)