Why Bank details workflow randomly/incorrectly triggered?

If you have a continuous workflow for bank details changes, you might find that it triggers with no clear reason for it to start. 

These workflows triggering randomly are most commonly caused by a slight miss-click when users submit changes to the employee Edit page:

When submitting this change, regardless of whether or not a change has been made, the continuous workflow will trigger as the system will acknowledge that the page has been submitted. If you find that this happens quite often, it is likely just a case of ensuring the page is not clicked when edits are made to the employee profile.