Check here:
https://europa.eu/youreurope/citizen...r/index_en.htm
FWIW - UA cancelled my AMS - EWR flight June 2021and booked me on the next flight 24 hours later. I wrote to them and they offered me 25,000 miles. I declined and reminded them of the EU rule (600 Euros) and requested compensation for hotel and food for the 24 hours. I received over $900.