-12.94% is the change from 595 to 518
Calculation steps:
[( 518 - 595 ) ÷ 595] x 100 = -12.94%
Formula
Percentage change = [(518 - 595) / 595] x 100
Subtract the new number by the original number
518 - 595 = -77
-77 ÷ 595 = -0.12941176470588237
-0.12941176470588237 x 100 = -12.94%