if they compare to the last year, they could have at least gone so far and compare to last month as well (probably did, but not in the cnn article, maybe someon

if they compare to the last year, they could have at least gone so far and compare to last month as well (probably did, but not in the cnn article, maybe someone who speaks japanese can say). It's a little daunting to just believe a 40% increase only due to cutting 1 day per week, would be quite phenomenal. Also, they cut down on meetings which was probably more decisive regarding improved productivity :) Article is from 2019 btw.