I agree, your Red Edge Peperomia (Peperomia tricolor)
appears to have been kept entirely too dry. Depending on the amount of water you've been supplying, only watering every two weeks may not be enough. I'd keep it in it's original container and fill in around the pot edge with additional soil, gently tamping it down so the plant sits firm. Sit the pot in a tub of water and allow it to soak just until until the top of the soil appears moist; remove it from the tub and allow the excess water to drain from the pot and then place it back onto the saucer.
You should always pour water onto the soil until it freely drains from the bottom of the pot and never allow water to sit in the saucer, always empty the excess and water again when the top inch or so of the soil feels dry to touch when you stick your finger down into the soil.