(I need this rn, LIKE RIGHT NOW-)
Sam adjusted a recipe to be a healthier choice by reducing the amount of oil in it. He reduced the oil in the recipe by 316 cup. The final product was delicious, and Sam decides he will make it this way from now on.

Sam makes the recipe 4 times in total over the course of a month.

Compared to the amount of oil the original recipe called for, what value represents the change the amount of oil Sam used in his revised recipe?

Enter your answer as a simplified fraction