77.09% is the change from 454 to 804
Calculation steps:
[( 804 - 454 ) ÷ 454] x 100 = 77.09%
Formula
Percentage change = [(804 - 454) / 454] x 100
Subtract the new number by the original number
804 - 454 = 350
350 ÷ 454 = 0.7709251101321586
0.7709251101321586 x 100 = 77.09%