77.56% is the change from 459 to 815
Calculation steps:
[( 815 - 459 ) ÷ 459] x 100 = 77.56%
Formula
Percentage change = [(815 - 459) / 459] x 100
Subtract the new number by the original number
815 - 459 = 356
356 ÷ 459 = 0.775599128540305
0.775599128540305 x 100 = 77.56%