55.35% is the change from 430 to 668
Calculation steps:
[( 668 - 430 ) ÷ 430] x 100 = 55.35%
Formula
Percentage change = [(668 - 430) / 430] x 100
Subtract the new number by the original number
668 - 430 = 238
238 ÷ 430 = 0.5534883720930233
0.5534883720930233 x 100 = 55.35%