hi there i am trying to calculate the productivity of some employees , so as i am like no were close to being ever to do it on exel and never in my life tried a friend of mine said he saw his hr manager do it in his company . dose anyone here know how its done ?

i basically have 12 employee's they work 8 hours shift 5.5 days a week .

i do have a software that give me how many hour that employee worked all i need is his productivity calculated .

thanks mario