-14.6% is the change from 596 to 509
Calculation steps:
[( 509 - 596 ) ÷ 596] x 100 = -14.6%
Formula
Percentage change = [(509 - 596) / 596] x 100
Subtract the new number by the original number
509 - 596 = -87
-87 ÷ 596 = -0.14597315436241612
-0.14597315436241612 x 100 = -14.6%