changing vs ever-changing

changing and ever-changing both are adjectives.

Word	Noun	Adjective	Verb	Adverb
changing	No	Yes	No	No
ever-changing	No	Yes	No	No

As adjectives, changing and ever-changing are synonyms defined as:

changing and ever-changing: marked by continuous change or effective action

changing (adjective)	ever-changing (adjective)
marked by continuous change or effective action	marked by continuous change or effective action