When you debut at No.1 there's only one direction to go - and that is down.

The last nine No.1 singles have all lingered at least three weeks before starting their descent but One Direction star Harry Styles breaks that run with his introductory solo single Sign Of The Times, which opened atop the list last week, now slipping to No.4 with sales off 45.17% week-on-week at 34,485, making it the fastest fading song in the entire Top 200. Although ...