import math


def get_percent_off(original_price: float, sale_price: float) -> int:
    """Returns the percentage off of the sale price vs original price.

    We round up and return an int.

    :param original_price: The original price.
    :param sale_price: The sale price.
    :returns: The percentage as an int.
    """
    return 100 - math.ceil(100 / (original_price / sale_price))