| Total | worktype |
| --- | --- |
| 900 | planes |
| 500 | cars |
| 780 | bikes |
| 100 | variation |

I have data set up like this I want to return the data but add the 100 from variation to the cars worktype giving me 600 cars and subtract variation 100 from the planes giving me 800 planes so output would be

| Total | worktype |
| --- | --- |
| 800 | planes |
| 600 | cars |
| 780 | bikes |
| 100 | variation |