78.49% is the change from 451 to 805
Calculation steps:
[( 805 - 451 ) ÷ 451] x 100 = 78.49%
Formula
Percentage change = [(805 - 451) / 451] x 100
Subtract the new number by the original number
805 - 451 = 354
354 ÷ 451 = 0.7849223946784922
0.7849223946784922 x 100 = 78.49%