The Dulac Box plant produces wooden packing boxes to be used in the local seafood industry. Current operations allow the company to make 700 boxes per day, in two 8-hour shifts (350 boxes per shift). The company has introduced some moderate changes in equipment, and conducted appropriate job training, so that production levels have risen to 400 boxes per shift. Labor costs average $15 per hour for each of the 5 full-time workers on each shift. Capital costs were previously $3,500 per day, and rose to $4,000 per day with the equipment modifications. Energy costs were unchanged by the modifications, at $450 per day.

Provide the percentage of change of the firm's multifactor productivity (round to 4 decimal places):