percent vs pct

percent and pct both are nouns.

Word	Noun	Adjective	Verb	Adverb
percent	Yes	No	No	No
pct	Yes	No	No	No

As nouns, percent and pct are synonyms defined as:

percent and pct: a proportion in relation to a whole (which is usually the amount per hundred); ten percent

Other synonyms of percent include per centum, percentage.

percent (noun)	pct (noun)
a proportion in relation to a whole (which is usually the amount per hundred); ten percent	a proportion in relation to a whole (which is usually the amount per hundred); ten percent