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20 days ago103% increase. The number of people leaving increased by a factor of 1+1.03 = 2.03. Which is to say, the number of people leaving more than doubled, which would have been a better title, but either way there is nothing wrong with math in the title per se.
Just want to clarify for others like me who might initially have a negative reaction to this claim: this is referring specifically to a phrase like “I have the itis” (which personally I have never heard). The suffix -itis, of course, does not come from this and is much older.