4.88% is the change from 430 to 451
Calculation steps:
[( 451 - 430 ) ÷ 430] x 100 = 4.88%
Formula
Percentage change = [(451 - 430) / 430] x 100
Subtract the new number by the original number
451 - 430 = 21
21 ÷ 430 = 0.04883720930232558
0.04883720930232558 x 100 = 4.88%