Property prices for rent in Blackburn (Lancashire)

When referring to the price in Blackburn (cities & towns), this has fallen considerably in the last 6 months. The average price for October is £671. During November the price had a slight fall till £592. During the following two months (December, January) the average price fell 90 % with regard to the previous two months. During the last two months the average price has fallen greatly compared to the previous four going from £601.25 to £235, which means a 39 % fall.