Original sentence: He became well-known for his very strong nationalist stance in favor of ethnic Romanians in Cluj-Napoca, which is a multi-ethnic city with a ethnic Romanian majority (79.39%) and a significant ethnic Hungarian population (18.96%)
Edited sentence: He became well-known for his very strong nationalist stance in favor of ethnic Romanians in Cluj-Napoca, which is a multi-ethnic city with a large ethnic Romanian majority (79.39%) and a significant ethnic Hungarian population (18.96%)