Jang Hyuk Jin is the vocalist and dancer of the boy group 100% that debuted on September 21, 2012. He appeared in Teen Top’s video for the song ”Be Ma Girl”. He has a talent for trot music. One of his closest friends is Sandeul from B1A4.
He enlisted on August 26, 2019.
The group officially ended their activities and disbanded on October 9, 2021, when their contract with TOP Media expired.
The four former members of 100%, Chanyong, Rockhyun, Hyukjin, and Jonghwan have since reunited to form pre-debut team FAVE1.