Please read the following table in Markdown format and then answer the question according to the table. Table cells in one row are seperated by '|', and different rows are seperated by '
'.

Table:
| Constituency | Candidate | Affiliation | Votes -cast | Result - % | Loss/gain |
| --- | --- | --- | --- | --- | --- |
| Glasgow South West | Tommy Sheridan | Solidarity (stood as Solidarity - TUSC) | 931.0 | 2.9% | -2.5% |
| Motherwell and Wishaw | Ray Gunnion | CWI / Solidarity | 609.0 | 1.6% | -1.1% |
| Dundee West | Jim McFarlane | CWI / Solidarity | 357.0 | 1.0% | -1.7% |
| Glasgow South | Brian Smith | CWI / Solidarity | 351.0 | 0.9% | -2.5% |
| Glasgow North | Angela McCormick | SWP / Solidarity | 287.0 | 1.0% | -2.8% |
| Edinburgh East | Gary Clark | CWI / Solidarity | 274.0 | 0.7% | -1.5% |
| Edinburgh North and Leith | Willie Black | SWP / Solidarity | 233.0 | 0.5% | -1.4% |
| Glasgow North East | Graham Campbell | SWP / Solidarity | 187.0 | 0.6% | -4.3% |
| Midlothian | Willie Duncan | Solidarity | 166.0 | 0.4% | -1.5% |
Question:
What was the loss/gain when the votes -cast was 166?
Answer:
-1.5%