-19.42% is the change from 618 to 498
Calculation steps:
[( 498 - 618 ) ÷ 618] x 100 = -19.42%
Formula
Percentage change = [(498 - 618) / 618] x 100
Subtract the new number by the original number
498 - 618 = -120
-120 ÷ 618 = -0.1941747572815534
-0.1941747572815534 x 100 = -19.42%