-2.56% is the change from 430 to 419
Calculation steps:
[( 419 - 430 ) ÷ 430] x 100 = -2.56%
Formula
Percentage change = [(419 - 430) / 430] x 100
Subtract the new number by the original number
419 - 430 = -11
-11 ÷ 430 = -0.02558139534883721
-0.02558139534883721 x 100 = -2.56%