Java tutorial
//package com.java2s; import java.text.NumberFormat; public class Main { public static String getMatchingThresholdToString(int value) { double p = -value / 12.0; NumberFormat nf = NumberFormat.getPercentInstance(); nf.setMaximumFractionDigits(Math.max(0, (int) Math.ceil(-p) - 2)); nf.setMinimumIntegerDigits(1); return nf.format(Math.pow(10, p)); } }