Why "90% done" is the most expensive phrase in your office
Percent-complete feels like tracking, but it hides the real number you need: hours left.
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When people report progress as a percentage, the last 10% routinely takes as long as the first 90%. Projects look on track until the week they're late.
Ask for hours remaining instead. It's harder to fudge, and when you add it up across the team you can see exactly when you'll run out of people.

