-13.52% is the change from 599 to 518
Calculation steps:
[( 518 - 599 ) ÷ 599] x 100 = -13.52%
Formula
Percentage change = [(518 - 599) / 599] x 100
Subtract the new number by the original number
518 - 599 = -81
-81 ÷ 599 = -0.1352253756260434
-0.1352253756260434 x 100 = -13.52%