It was ambiguous, but he compared the wasted time (time wasted at work while working for a bad company) to the total time you have in your working life. He says

It was ambiguous, but he compared the wasted time (time wasted at work while working for a bad company) to the total time you have in your working life. He says you spend 21%-35% of your time at work, so during that 2 years you'd spend .42-0.7 years working. And if you calculate with 40 years of work life, then it comes to about 2% of that time.