Manhattan population was 1.6 million and change, so 400k is 25%, not 40%. Some of those people left for good, others didn’t. Long-term (next year) delta is probably more like -10%. Remember that we’re NOT experiencing a second wave or a resurgence of cases so far, despite gradual reopening. Under 5% vacancy rate would be the envy of many US cities, even in good times.
Despite sensational news saying so, Midtown is hardly a ghost town (photo taken last week, just before a big rain storm – more foot traffic than most US cities on a good day). Don’t believe everything the media and people with an agenda on the Hinternets tell you…