woocommerce customization, show discounted price in product page.

After applying any discount code. I need the following

- show discounted percentages and amounts on the product page and category page.
- show the amount saved in the cart and checkout page.
- be able to show price before and after of any product on any page.

I use this plugin for product add-on

https://codecanyon.net/item/woocommerce-extra-product-options/7908619