Complex sentence: In February 2015, while West was continuing the work on this album, and then he confirmed that the album was at about 80% completion; he even went on by saying: I'm trying to get it finished.
Split into simpler sentences: In February 2015, while West was continuing the work on this album, he confirmed that the album was at about 80% completion. He even went on by saying: I'm trying to get it finished.