In all three states Trump flipped to become president, in 2016 he had a distinct approval rating as a candidate. Single digits but still approval ratings were good. But now he is losing those three some by double digits and he is toast in Wisconsin, Pennsylvania and Michigan.
https://morningconsult.com/tracking-trump-2/
Trump's support in these states has dropped since his election
Michigan - Since Trump took office, his net approval in Wisconsin has
decreased by 17 percentage points.
Pennsylvania - Since Trump took office, his net approval in Pennsylvania has
decreased by 17 percentage points.
Wisconsin - Since Trump took office, his net approval in Michigan has
decreased by 18 percentage points.
Good luck turning that around with his latest antics in Washington.