76.21% is the change from 454 to 800
Calculation steps:
[( 800 - 454 ) ÷ 454] x 100 = 76.21%
Formula
Percentage change = [(800 - 454) / 454] x 100
Subtract the new number by the original number
800 - 454 = 346
346 ÷ 454 = 0.762114537444934
0.762114537444934 x 100 = 76.21%