-6.63% is the change from 513 to 479
Calculation steps:
[( 479 - 513 ) ÷ 513] x 100 = -6.63%
Formula
Percentage change = [(479 - 513) / 513] x 100
Subtract the new number by the original number
479 - 513 = -34
-34 ÷ 513 = -0.06627680311890838
-0.06627680311890838 x 100 = -6.63%