Last month, the production rate of Meea changed from 586 units to 650 units, which is a 9.8% increase in manufacturing production. However, this month, the production rate decreased by 11.5%, then increased by 12.3%, and finally decreased by 22.3%, resulting in a total production of 36 units. Gabriel, the commissioned campaign manager for the candidate for governor, discovered through polls that the candidate's approval rating has changed from 80 to 64 percentage points, which is a 20% decrease.