100 percent vs root and branch

100 percent

adv
  • Completely, entirely, wholly. 

  • Completely well. 

intj
  • excellent, wonderful, magnificent 

adj
  • complete, entire, whole 

  • Wholly sure; confident in one's knowledge. 

root and branch

adv
  • Totally, completely. 

adj
  • Total, thorough, sweeping, complete, radical, drastic. 

How often have the words 100 percent and root and branch occurred in a corpus of books? (source: Google Ngram Viewer )