Crude oil prices declined nearly 2 per cent to Rs 8,575 per barrel in futures trade as traders booked profits after the recent rally, tracking a weak trend in the global markets. Crude oil contracts for June delivery fell by Rs 151, or 1.73 per cent, to Rs 8,575 per barrel in a business turnover of 8,887 lots. Similarly, the July contract declined by Rs 145, or 1.69 per cent, to Rs 8,442 per barrel in 2,900 lots.