I need help with the percent. can you show me how to calculate it. thanks

Horizontal Analysis of Comparative Financial Statements Amounts from the comparative income statement and balance sheet of Miller Electronics Corporation for the last two years are as follows: Miller Electronics Corporation Comparative Income Statement For Years Ended December 31, 20-2 and 20-1 20-2 20-1 $650,220 395,410 $254,810 $420,600 258,668 $161,932 $42,288 Net Sales (all on account) Cost of goods sold Gross profit Administrative expenses Selling expenses Total operating expenses Operating income Interest expense Income before income taxes Income tax expense $63,518 65,992 $129,510 $125,300 1,282 $124,018 31,005 $93,013 43,936 $86,224 $75,708 1,204 $74,504 13,630 $60,874 Net income Miller Electronics Corporation Comparative Balance Sheet December 31, 20-2 and 20-1 Prepare a horizontal analysis. Add columns to show the amount of increase (decrease) and the percentage change. Round percentages to one decimal place. Do not enter the percent sign. For example, 60% would be entered as 60. Miller Electronics Corporation Comparative Income Statement For Years Ended December 31, 20-2 and 20-1 20-2 Amount 20-1 Amount Increase (Decrease) Percent Net sales (all on account) $650,220 $420,600 229,620 Cost of goods sold 395,410 258,668 136,742 $254,810 $161,932 92.8787 Gross profit $63,518 $42,288 Administrative expenses 21.230 65,992 43,936 22,056 Selling expenses $129,510 $ 86,224 43,286 Total operating expenses $75,708 Operating income $125,300 1,282 49,5927 78 1,204 Interest expense $74,504 $49,514 Income before income taxes $124,018 31,005 13,630 17,375 Income tax expense 32,139 $93,013 $60,874 Net income