I from personal experience have not cut calories further as I feel I am already in enough of a deficit calorie wise. I feel that cutting calories further would result in muscle loss and not fat loss. I eat between 1700 and 2200 a day, sometimes a little more on the weekend when I am working in the yard all day long.
SOme say don't cut too far but I have had to cut many more calories than suggested to loose fat. I think it is different for everyone. Try changing up your routine. Lift more weights and do less cardio. Switch machines up keep your body guessing. Don't give it a reason to shut down though.
I have been right where you are and have gotten over the plateau this time. It feels great.
I am losing weight faster than suggested also but it is fat not muscle as I take measurements and see more muscle tone. I lose between 4 and 6 pounds a week just depends on how much time I spend working out. I work out between 2 and 4 hours a day. 5 days a week.
HOpe this helps.

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