-2.33% is the change from 516 to 504
Calculation steps:
[( 504 - 516 ) ÷ 516] x 100 = -2.33%
Formula
Percentage change = [(504 - 516) / 516] x 100
Subtract the new number by the original number
504 - 516 = -12
-12 ÷ 516 = -0.023255813953488372
-0.023255813953488372 x 100 = -2.33%