A pharmaceutical company received …22 million in sales of generic equivalent of…

A pharmaceutical company received $4 million in royalties on the first $22 million in sales of generic equivalent of one of its products and then $8 million in royalties on the next $88 million in sales. By approximately what percent did the ratio of royalties to sales decrease from the first $22 million in sales to the next $92 million in sales?

AQuA-RAT — Algebra Question Answering with Rationales (Ling et al., DeepMind, 2017) · train #12954