A temperature change of .016 degree per century, vs .01 degree / century is still a 60% change. But "SIXTY PERCENT" is a far more attention-getting figure....
Other than the fact that it is physically impossible for the atmosphere to heat the ocean for small reasons like the ocean has over 1000 times the heat capacity of the atmosphere. But also long wave (thermal) radiation does not penetrate the surface of water past a few milimeters. The only way to heat water is with sunlight that penetrates a few hundred feet. The water effects the atmosphere, not vice versa.