Monday's show is down nearly 4 million viewers from the week before
"Although I may not understand, I will strive to be understanding," she tells Us
"Chaz, after many years of consideration, has made the courageous decision to honor his true id ...
The impressionist and singer spent more than a decade on the strip
"I look at my thinner self and think, 'How did I let this happen again?'" she writes in O magazine