Presidents have had worse weeks than the one ending Donald Trump's first 100 days in office, but most of the examples I can think of include resignation and worse. So far this week (and he still has one more day!) Trump has retreated or been defeated on his Mexico wall, on NAFTA, on sanctuary cities, and on health care reform. The administration went through something like three positions on North Korea. Trump rolled out a tax reform "plan" that not only has been ridiculed from all sides, but is also basically dead on arrival; Trump's one-page of bullet points is vague enough that any Congressional product may resemble it, but he's not likely to be a significant player in shaping what House and Senate Republicans choose to do.
Beyond that, Trump gave a series of interviews which mostly served to furnish up new humiliations for him, whether it was complaining to Reuters about how unexpectedly hard the job was or obsessing to AP about cable TV news. Other 100-days profiles featured White House staff and Trump friends basically saying the president is ... a moron?