Use the following information about Rat Race Home Security, Inc. to answer the questions:

Average selling price per unit $325.

Variable cost per unit $186

Units sold 394

Fixed costs $9,890

Interest expense 12,773

Based on the data above, what will be the resulting percentage change in earnings per share of Rat Race Home Security, Inc. if they expect operating profit to change -0.4 percent?

(You should calculate the degree of financial leverage first).

Write the percentage

Round the answer to two decimals