If you have a retirement plan at work, whether it’s a 401(k), 403(b) or other type, your employer typically withholds (or “defers”) your contributions from your salary and directs those amounts directly into the plan. To change how much you contribute, you’ll need to determine how your employer controls these deferrals. Some employer plans offer a self-service online deferral percentage change. Others require you to contact the plan administrator or HR department to make changes. Changes could ...