-5.81% is the change from 516 to 486
Calculation steps:
[( 486 - 516 ) ÷ 516] x 100 = -5.81%
Formula
Percentage change = [(486 - 516) / 516] x 100
Subtract the new number by the original number
486 - 516 = -30
-30 ÷ 516 = -0.05813953488372093
-0.05813953488372093 x 100 = -5.81%