Not exactly, "doing 10% more work in the same time" means needing 9(.1)% less time to do the same work (100 / 110 versus 90 / 100). Needing 10% less time for t

Not exactly, "doing 10% more work in the same time" means needing 9(.1)% less time to do the same work (100 / 110 versus 90 / 100). Needing 10% less time for the same amount of work means you can do 11(.1)% more work in the same time.