-19.05% is the change from 609 to 493
Calculation steps:
[( 493 - 609 ) ÷ 609] x 100 = -19.05%
Formula
Percentage change = [(493 - 609) / 609] x 100
Subtract the new number by the original number
493 - 609 = -116
-116 ÷ 609 = -0.19047619047619047
-0.19047619047619047 x 100 = -19.05%