-1.74% is the change from 516 to 507
Calculation steps:
[( 507 - 516 ) ÷ 516] x 100 = -1.74%
Formula
Percentage change = [(507 - 516) / 516] x 100
Subtract the new number by the original number
507 - 516 = -9
-9 ÷ 516 = -0.01744186046511628
-0.01744186046511628 x 100 = -1.74%