What to follow in a glaze recipe: the amount or the percentage? - Clay and Glaze Chemistry - Ceramic Arts Daily Community

I want to make a 2000 g batch of the G1215U glaze recipe from Digital fire, but I am confused. The amount of ingredients totals 98.50 and they have also included the percentage, which equals 100, of course So for example, the EPK amount is of 14.0 and the percentage of 14.2%. What should I follow...