-2.76% is the change from 507 to 493
Calculation steps:
[( 493 - 507 ) ÷ 507] x 100 = -2.76%
Formula
Percentage change = [(493 - 507) / 507] x 100
Subtract the new number by the original number
493 - 507 = -14
-14 ÷ 507 = -0.027613412228796843
-0.027613412228796843 x 100 = -2.76%