-13.79% is the change from 609 to 525
Calculation steps:
[( 525 - 609 ) ÷ 609] x 100 = -13.79%
Formula
Percentage change = [(525 - 609) / 609] x 100
Subtract the new number by the original number
525 - 609 = -84
-84 ÷ 609 = -0.13793103448275862
-0.13793103448275862 x 100 = -13.79%