MotorCity Casino was the only casino to report revenue increase during August.
MotorCity Casino was the only casino to record an uptick in August 2017. Its revenue for the month totaled $38.4 million, a 1.5 percent increase from August 2016.
Meanwhile, MGM's revenue fell 6.7 percent to $47.9 million and Greektown's revenue slid 5.7 percent to $25.2 million.
Their revenues for the month are also down 6.3 percent from those in July, it said.
Despite the drop, the casinos' year-to-date aggregate revenue for the first eight months of 2017 are up 1.1 percent compared with the same period last year.
The state received $9 million in taxes from the casinos for the month, down about 4 percent from August 2016.