Previous efforts to minimize the energy spread by optimizing the electron injection process or shaping the acceleration field produced particles whose energy levels varied by several percentage points. (sciencedaily.com)
The price of oil, for example, is quite volatile, often changing several percentage points in a day. (mymoneycounselor.com)
Searching around for the best commission can result in shaving several percentage points from the fees investors pay. (barelkarsan.com)