-18.23% is the change from 609 to 498
Calculation steps:
[( 498 - 609 ) ÷ 609] x 100 = -18.23%
Formula
Percentage change = [(498 - 609) / 609] x 100
Subtract the new number by the original number
498 - 609 = -111
-111 ÷ 609 = -0.18226600985221675
-0.18226600985221675 x 100 = -18.23%