Protection of compensation is not restricted to protection of the hourly rate of pay, and a remand is needed. A record must be created to allow the Commissioner to assess the SCESC’s reasons for allocating work among its part-time teachers in a manner that severely reduced the number of hours afforded to the two tenured teachers and awarded work to non-tenured and less senior staff. The Court thus affirms the judgment of the Appellate Division but does not encourage a strict arithmetic calculation along the lines the panel has suggested