86.05% is the change from 430 to 800
Calculation steps:
[( 800 - 430 ) ÷ 430] x 100 = 86.05%
Formula
Percentage change = [(800 - 430) / 430] x 100
Subtract the new number by the original number
800 - 430 = 370
370 ÷ 430 = 0.8604651162790697
0.8604651162790697 x 100 = 86.05%