79.3% is the change from 454 to 814
Calculation steps:
[( 814 - 454 ) ÷ 454] x 100 = 79.3%
Formula
Percentage change = [(814 - 454) / 454] x 100
Subtract the new number by the original number
814 - 454 = 360
360 ÷ 454 = 0.7929515418502202
0.7929515418502202 x 100 = 79.3%