That is really how it works in EVE echoes from wangrui's blog

Either I found another bug, or eve echoes isk I am seriously confused: when I raise the substance efficiency I'd anticipate the amount of materials necessary to go down, but they do not, they go up.I have a tendency to agree with you but that is really how it works in game. You can imagine it as the reverse. When you start the game unskilled you have to use 150% tools to generate a component. So it is going to cost 50 percent over base cost because of a lack of skill. Eventually by coaching up you can get below 100% so that EVE Echoes Items you get a discount on the foundation part requirements.