RoundChart.cs

        private void RefreshChartValues(float currentValue, float maxValue)
        {
            if (currentValue >= maxValue)
                dataSweepAngle = backgroundSweepAngle;
                
            if (currentValue <= 0)
                dataSweepAngle = 1;

            var valuePercentage = (currentValue * 100f) / maxValue;
            dataSweepAngle = (valuePercentage * backgroundSweepAngle) / 100f;
        }