-24.81% is the change from 516 to 388
Calculation steps:
[( 388 - 516 ) ÷ 516] x 100 = -24.81%
Formula
Percentage change = [(388 - 516) / 516] x 100
Subtract the new number by the original number
388 - 516 = -128
-128 ÷ 516 = -0.24806201550387597
-0.24806201550387597 x 100 = -24.81%