Százalékkal
Százalékkal is a Hungarian instrumental form of the noun százalék (percentage) used to express the amount by which something changes, measured in percent. In practice, it functions as an adverbial modifier indicating the size of a change rather than the absolute proportion itself.
Usage and grammar: Százalékkal is attached to a numeral or a numeral phrase to denote how much
Distinction from százalékban: Százalékkal expresses the magnitude of a change (by how many percent), while százalékban
Etymology and notes: Százalékkal is formed from százalék plus the instrumental suffix -kal, signifying "with a