"100%" was the first single from Sonic Youth's 1992 album Dirty. It was released in 1992 on DGC. The song was dedicated to the band's friend Joe Cole, who was killed by a gunman in 1991. The lyrics were written by Thurston Moore.
The music video for "100%" was directed by Tamra Davis and Spike Jonze, and shot in Los Angeles. Much of the video footage was shot by Jonze while riding on a skateboard, following others in the streets (including then-skateboarder, now-actor Jason Lee). The video also alluded to the shooting death of Cole, but is not specifically about him, and more about friendship between two skateboarders. Sonic Youth is shown playing a house party throughout the film. Kim Gordon plays a yellow Fender bass guitar, which she borrowed from actor Keanu Reeves.