88.14% is the change from 430 to 809
Calculation steps:
[( 809 - 430 ) ÷ 430] x 100 = 88.14%
Formula
Percentage change = [(809 - 430) / 430] x 100
Subtract the new number by the original number
809 - 430 = 379
379 ÷ 430 = 0.8813953488372093
0.8813953488372093 x 100 = 88.14%