78.6% is the change from 430 to 768
Calculation steps:
[( 768 - 430 ) ÷ 430] x 100 = 78.6%
Formula
Percentage change = [(768 - 430) / 430] x 100
Subtract the new number by the original number
768 - 430 = 338
338 ÷ 430 = 0.786046511627907
0.786046511627907 x 100 = 78.6%