Slider Percent UI C# Unity

SliderPercent.cs

//Made by: HolyFot
//License: CC0 - https://creativecommons.org/share-your-work/public-domain/cc0/
//Notes: Handles negative to positive ranges too.
using System;
using UnityEngine;
using UnityEngine.UI;

[RequireComponent(typeof(Slider))]
public class SliderPercent : MonoBehaviour
{
    public Slider slider1;
    public Text percentText;
    public bool showDecibals;

    void Awake()
    {
        slider1 = gameObject.GetComponent<Slider>();
        if (slider1 != null)
            slider1.onValueChanged.AddListener(delegate { UpdatePercentText(); });
    }

    void UpdatePercentText()
    {
        if (slider1 == null || percentText == null)
        {
            Debug.Log("[SliderPercent] Slider or Text not set.");
            return;
        }

        string percent1 = "0%";
        float min = slider1.minValue;
        float max = slider1.maxValue;
        float currValue = slider1.value;
        if (min == 0.0f) min = 0.000001f;
        if (currValue == 0.0f) currValue = 0.000001f;
        if (max == 0.0f) max = 0.000001f;

        //100%
        if (Mathf.Approximately(currValue, max) && !showDecibals)
        {
            percentText.text = "100%";
            return;
        }

        if (showDecibals) //Decibals
            percent1 = currValue.ToString("0.00") + " dB";
        else //Positive/Negative Ranges
        {
            float range1 = max - min;
            float value = Math.Abs((currValue - min) / range1 * 100f);
            percent1 = value.ToString("0") + "%";
        }

        percentText.text = percent1;
    }

    public bool CompareFloats(float a1, float b1)
    {
        float t1 = 0.1f;
        return System.Math.Abs(a1 - b1) < t1;
    }
}