Pacific Sunwear of California, Inc. total sales for the month of February were $89.8 million, an increase of 1.2% over total sales of $88.7 million during the same period last year. Total Company same-store sales decreased 5.7% during the same period. By concept, PacSun same-store sales decreased 3.5% and demo same-store sales decreased 14.7% compared to the same four week period last year…