radiansToPercentage function

double radiansToPercentage(
  1. double radians
)

Implementation

double radiansToPercentage(double radians) {
  /// we have an inconsistency of pi/2 in terms of percentage and radians
  var normalized = radians < 0 ? -radians : 2 * pi - radians;
  var percentage = ((100 * normalized) / (2 * pi));
  return (percentage + 25) % 100;
}