79.07% is the change from 454 to 813
Calculation steps:
[( 813 - 454 ) ÷ 454] x 100 = 79.07%
Formula
Percentage change = [(813 - 454) / 454] x 100
Subtract the new number by the original number
813 - 454 = 359
359 ÷ 454 = 0.7907488986784141
0.7907488986784141 x 100 = 79.07%