2.09% is the change from 430 to 439
Calculation steps:
[( 439 - 430 ) ÷ 430] x 100 = 2.09%
Formula
Percentage change = [(439 - 430) / 430] x 100
Subtract the new number by the original number
439 - 430 = 9
9 ÷ 430 = 0.020930232558139535
0.020930232558139535 x 100 = 2.09%