Another 200% of what? The "90%" already taken? If you work on something for 90 hours, then for another 180 hours, that 90 hours was actually "the first 33%,"

Another 200% of what? The "90%" already taken? If you work on something for 90 hours, then for another 180 hours, that 90 hours was actually "the first 33%," so I guess I don't understand why he doesn't just refer to it as such. But then we wouldn't have a blog post (with wonderful the grammar).