-21.32% is the change from 516 to 406
Calculation steps:
[( 406 - 516 ) ÷ 516] x 100 = -21.32%
Formula
Percentage change = [(406 - 516) / 516] x 100
Subtract the new number by the original number
406 - 516 = -110
-110 ÷ 516 = -0.2131782945736434
-0.2131782945736434 x 100 = -21.32%