Katy Perry's New Single "Roar" Aiming To Sell 525,000+ Downloads in First Week

Industry sources are predicting that Katy Perry's awesome new single, "Roar" will sell 525,000 to 550,000 downloads in its first week of sales.

The official Nielsen SoundScan sales figures for the track will be announced on Wednesday, August 21st.

Billboard reports that "Roar" will easily give Perry the biggest sales week of the year for a song, and likely her largest sales week. At the present, her largest week was earned by "Firework," which sold 509,000 downloads in the week after Christmas in 2010.