You are given a sentence in Polish. Your job is to translate the Polish sentence into Spanish.

Example input: Udostępniam rozwiązanie. Jestem bardzo szczęśliwy.
Example output: Brindo soluciones. Estoy muy feliz.
Example explanation: The Polish sentence is correctly translated into Spanish, because the meaning is preserved.
Q: W krajach rozwiniętych to około 78%.
A:

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
En el mundo desarrollado supone el 78 por ciento.