67.76% is the change from 459 to 770
Calculation steps:
[( 770 - 459 ) ÷ 459] x 100 = 67.76%
Formula
Percentage change = [(770 - 459) / 459] x 100
Subtract the new number by the original number
770 - 459 = 311
311 ÷ 459 = 0.6775599128540305
0.6775599128540305 x 100 = 67.76%