-18.84% is the change from 430 to 349
Calculation steps:
[( 349 - 430 ) ÷ 430] x 100 = -18.84%
Formula
Percentage change = [(349 - 430) / 430] x 100
Subtract the new number by the original number
349 - 430 = -81
-81 ÷ 430 = -0.1883720930232558
-0.1883720930232558 x 100 = -18.84%