-15.76% is the change from 609 to 513
Calculation steps:
[( 513 - 609 ) ÷ 609] x 100 = -15.76%
Formula
Percentage change = [(513 - 609) / 609] x 100
Subtract the new number by the original number
513 - 609 = -96
-96 ÷ 609 = -0.15763546798029557
-0.15763546798029557 x 100 = -15.76%