user
Instruction
Answer the question based on the provided table.


Table
Table Title: doctorate-holding nonfaculty researchers in science, engineering, and health fields, by sex and broad field: 2017-19
Table Content:
<table border="1" cellspacing="0">
<tr> <td> broad field </td> <td> 2017 </td> <td> 2018 </td> <td> 2019 </td> <td>  </td> </tr>
<tr> <td> all surveyed fields </td> <td> 28180 </td> <td> 29284 </td> <td> 30349 </td> <td> 7.7 </td> </tr>
<tr> <td> male </td> <td> 16580 </td> <td> 17468 </td> <td> 17980 </td> <td> 8.4 </td> </tr>
<tr> <td> female </td> <td> 11600 </td> <td> 11816 </td> <td> 12369 </td> <td> 6.6 </td> </tr>
<tr> <td> science and engineering </td> <td> 20542 </td> <td> 21848 </td> <td> 22728 </td> <td> 10.6 </td> </tr>
<tr> <td> science </td> <td> 17268 </td> <td> 18278 </td> <td> 18819 </td> <td> 9 </td> </tr>
<tr> <td> agricultural sciences </td> <td> 496 </td> <td> 565 </td> <td> 645 </td> <td> 30 </td> </tr>
<tr> <td> biological and biomedical sciences </td> <td> 8203 </td> <td> 8250 </td> <td> 8229 </td> <td> 0.3 </td> </tr>
<tr> <td> computer and information sciences </td> <td> 476 </td> <td> 515 </td> <td> 510 </td> <td> 7.1 </td> </tr>
<tr> <td>  </td> <td> 1794 </td> <td> 2106 </td> <td> 2177 </td> <td> 21.3 </td> </tr>
<tr> <td> mathematics and statistics </td> <td> 240 </td> <td> 266 </td> <td> 305 </td> <td> 27.1 </td> </tr>
<tr> <td> multidisciplinary and interdisciplinary studies </td> <td> 806 </td> <td> 832 </td> <td> 820 </td> <td> 1.7 </td> </tr>
<tr> <td> natural resources and conservation </td> <td> 364 </td> <td> 580 </td> <td> 582 </td> <td> 59.9 </td> </tr>
<tr> <td> physical sciences </td> <td> 2871 </td> <td> 3056 </td> <td> 3316 </td> <td> 15.5 </td> </tr>
<tr> <td> psychology </td> <td> 494 </td> <td> 507 </td> <td> 576 </td> <td> 16.6 </td> </tr>
<tr> <td> social sciences </td> <td> 1524 </td> <td> 1601 </td> <td> 1659 </td> <td> 8.9 </td> </tr>
<tr> <td> engineering </td> <td> 3274 </td> <td> 3570 </td> <td> 3909 </td> <td> 19.4 </td> </tr>
<tr> <td> bioengineering and biomedical engineering </td> <td> 415 </td> <td> 440 </td> <td> 492 </td> <td> 18.6 </td> </tr>
<tr> <td> chemical engineering </td> <td> 281 </td> <td> 257 </td> <td> 328 </td> <td> 16.7 </td> </tr>
<tr> <td> civil engineering </td> <td> 422 </td> <td> 414 </td> <td> 492 </td> <td> 16.6 </td> </tr>
<tr> <td>  </td> <td> 557 </td> <td> 588 </td> <td> 637 </td> <td> 14.4 </td> </tr>
<tr> <td> engineering science, mechanics, and physics </td> <td> 200 </td> <td> 220 </td> <td> 186 </td> <td> -7 </td> </tr>
<tr> <td> industrial and manufacturing engineering </td> <td> 119 </td> <td> 105 </td> <td> 137 </td> <td> 15.1 </td> </tr>
<tr> <td> mechanical engineering </td> <td> 458 </td> <td> 489 </td> <td> 531 </td> <td> 15.9 </td> </tr>
<tr> <td> metallurgical and materials engineering </td> <td> 181 </td> <td> 215 </td> <td> 242 </td> <td> 33.7 </td> </tr>
<tr> <td> other engineeringa </td> <td> 641 </td> <td> 842 </td> <td> 864 </td> <td> 34.8 </td> </tr>
<tr> <td> health </td> <td> 7638 </td> <td> 7436 </td> <td> 7621 </td> <td> -0.2 </td> </tr>
<tr> <td> clinical medicine </td> <td> 6448 </td> <td> 6159 </td> <td> 6273 </td> <td> -2.7 </td> </tr>
<tr> <td> other health </td> <td> 1190 </td> <td> 1277 </td> <td> 1348 </td> <td> 13.3 </td> </tr>
</table>


Question
at the other end of the range, how many percentage points of the number of nfrs in engineering science, mechanics, and physics declined?


Answer Format
The final answer should be concise and use the following format:
```json
{
    "answer": [
        "answer1",
        "answer2",
        ...
    ]
}
```
rule
["7"]