I just don't know how to convert it to a percentage

Beck Inc. and Bryant Inc. have the following operating data: Beck Inc. Bryant Inc. Sales $318,000 $1,001,000 Variable costs 127,600 600,600 Contribution margin $190,400 $400,400 Fixed costs 122,400 218,400 Income from operations $68,000 $182,000 a. Compute the operating leverage for Beck Inc. and Bryant Inc. If required, round to one decimal place. Beck Inc. 2.8 Bryant Inc. 2.2 b.. How much would income from operations increase for each company if the sales of each increased by 10%? If required, round answers to nearest whole number. Dollars Percentage Beck Inc. 19,040 40,040 Bryant Inc. X C. The difference in the increases of income from operations is due to the difference in the operating leverages. Beck Inc.'s higher V operating leverage mear percentage of contribution margin than are Bryant Inc. s