The Scottish government u-turn follows an outcry over the downgrading of 125,000 results.
National Union of Students says Scotland's exam changes must be applied to A-levels for fairness.
The number of people employed between April and June fell by the most since the financial crisis.
This is on top of the 4,000 announced since May, meaning the retailer will have cut a third of its staff.
Health minister Edward Argar says it is "evolving and flexing", amid plans to cut 6,000 contact tracers.