-15.11% is the change from 609 to 517
Calculation steps:
[( 517 - 609 ) ÷ 609] x 100 = -15.11%
Formula
Percentage change = [(517 - 609) / 609] x 100
Subtract the new number by the original number
517 - 609 = -92
-92 ÷ 609 = -0.1510673234811166
-0.1510673234811166 x 100 = -15.11%