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private static string GetPercentageRounds (double percentage) if (percentage 0) return if (percentage 0.0 percentage 0.1) return if (percentage 0.1 percentage 0.2) return if (percentage 0.2 return percentage 0.3) if (percentage 0.3 percentage 0.4) return if (percentage 0.4 percentage 0.5) return if (percentage 0.5 percentage 0.6) return "000000000" if (percentage 0. percentage 0.7) return if (percentage 0.7 percentage 0.8) return if (percentage 0.8 percentage 0.9) return return " ?