ADVANCED ENERGY INDUSTRIES, INC. NOTES TO CONSOLIDATED FINANCIAL STATEMENTS – (continued) (in thousands, except per share amounts) NOTE 23. SUPPLEMENTAL QUARTERLY FINANCIAL DATA (UNAUDITED) The following tables present unaudited quarterly results for each of the eight quarters in the periods ended December 31, 2019 and 2018, in thousands. We believe that all necessary adjustments have been included in the amounts stated below to present fairly such quarterly information. Due to the volatility of the industries in which our customers operate, the operating results for any quarter are not necessarily indicative of results for any subsequent period. <table> <tbody> <tr><td></td><td></td><td>Quarter Ended</td><td></td><td></td></tr> <tr><td></td><td>December 31, 2019</td><td>September 30, 2019</td><td>June 30, 2019</td><td>March 31, 2019</td></tr> <tr><td>Sales, net</td><td>$ 338,268</td><td>$ 175,127</td><td>$ 134,810</td><td>$ 140,743</td></tr> <tr><td>Gross Profit</td><td>$112,295</td><td>$73,491</td><td>$64,126</td><td>$65,740</td></tr> <tr><td>Restructuring Expense</td><td>$1,418</td><td>$152</td><td>$1,795</td><td>$1,673</td></tr> <tr><td>Operating income</td><td>$22,202</td><td>$9,390</td><td>$11,005</td><td>$11,791</td></tr> <tr><td>Income from continuing operations, net of income taxes</td><td>$ 10,479</td><td>$ 7,256</td><td>$ 23,373</td><td>$ 15,387</td></tr> <tr><td>Loss (income) from discontinued operations, net of income taxes</td><td>$ (210)</td><td>$ 375</td><td>$ 8,324</td><td>$ (9)</td></tr> <tr><td>Net Income</td><td>$ 10,269</td><td>$ 7,631</td><td>$ 31,697</td><td>$ 15,378</td></tr> <tr><td>Income from continuing operations attributable to noncontrolling interest</td><td>$ 5</td><td>$ 10</td><td>$ 11</td><td>$ 8</td></tr> <tr><td>Net income attributable to Advanced Energy Industries, Inc.</td><td>$ 10,264</td><td>$ 7,621</td><td>$ 31,686</td><td>$ 15,370</td></tr> <tr><td>Earnings (Loss) Per Share:</td><td></td><td></td><td></td><td></td></tr> <tr><td>Continuing Operations:</td><td></td><td></td><td></td><td></td></tr> <tr><td>Basic earnings per share</td><td>$ 0.27</td><td>$ 0.19</td><td>$ 0.61</td><td>$ 0.40</td></tr> <tr><td>Diluted earnings per share</td><td>$ 0.27</td><td>$ 0.19</td><td>$ 0.61</td><td>$ 0.40</td></tr> <tr><td>Discontinued Operations:</td><td></td><td></td><td></td><td></td></tr> <tr><td>Basic loss per share</td><td>$ (0.01)</td><td>$ 0.01</td><td>$ 0.22</td><td>$ —</td></tr> <tr><td>Diluted loss per share</td><td>$ (0.01)</td><td>$ 0.01</td><td>$ 0.22</td><td>$ —</td></tr> <tr><td>Net Income:</td><td></td><td></td><td></td><td></td></tr> <tr><td>Basic earnings per share</td><td>$ 0.27</td><td>$ 0.20</td><td>$ 0.83</td><td>$ 0.40</td></tr> <tr><td>Diluted earnings per share</td><td>$ 0.27</td><td>$ 0.20</td><td>$ 0.82</td><td>$ 0.40</td></tr> </tbody> </table>

Question: What would be the change in restructuring expense between Quarter Ended  September and December if the restructuring expense in Quarter Ended  September was $1,000 thousand instead?
Answer: 418

Question: What would be the change in gross profit between Quarter Ended  March and June if the Gross profit in Quarter Ended  June was $70,000 thousand instead?
Answer: 4260

Question: What would be the percentage change in Operating income between Quarter Ended  June and September if the operating income in Quarter Ended  September was $12,000 thousand instead?
Answer: 9.04