I really question that, id believe that 300,000 jobs from tech companies have been lost, but 40% of all tech jobs. Sounds like nonsense, especially since the source is an outplacement company.
I, like the commenter that set the context, can find it easier to believe that 300,000 jobs were lost at tech companies, representing 40% of jobs at tech companies. No doubt, the vast majority of tech work happens outside of tech companies – probably doubly so back then when it was the norm to do everything in-house rather than outsource a lot of the work to tech companies like we see today. But the comment I replied to discounts that notion, so here we are...