A parcel delivery company delivered 103,100 packages last year, when its average employment was 83 drivers. This year, the firm handled 112,100 deliveries with 94 drivers. What was the percentage change in productivity over the past two years? (Negative value should be indicated by a minus sign. Round your intermediate calculations and final answer to 2 decimal places.) Answer is complete but not entirely correct. Change in productivity (2.97)0%