200 songs is 60% of what

Ok, so if 200 songs are 60%. There’s still 40% left. What you need to do is find how many songs 40% is. So you would 200 divided by 40 = 80. So you would add the 200 (60%) songs and the 80 (40%) songs and you should get 200 songs is 60% of 280 songs.