What is the change in energy of an atom if the wavelength of the photon absorbed by the atom is equal to 4.64?

What is the change in energy of an atom if the wavelength of the photon absorbed by the atom is equal to 4.64 x 10^-7 meters? (Planck’s constant is 6.626 x 10^-34 joule seconds; the speed of light is 2.998 x 10^8 m/s)?