Wolfram Language & System 10.4 (2016)|Legacy Documentation
This is documentation for an earlier version of the Wolfram Language.View current documentation (Version 11.2)
"PercentFraction" (interpreter type)
Percentage expressed in natural language.
Cf. "Percent", which simply infers a percent unit:
And "HeuristicPercent", which decides what to do based on heuristics: