-21.9% is the change from 516 to 403
Calculation steps:
[( 403 - 516 ) ÷ 516] x 100 = -21.9%
Formula
Percentage change = [(403 - 516) / 516] x 100
Subtract the new number by the original number
403 - 516 = -113
-113 ÷ 516 = -0.2189922480620155
-0.2189922480620155 x 100 = -21.9%