78.94% is the change from 451 to 807
Calculation steps:
[( 807 - 451 ) ÷ 451] x 100 = 78.94%
Formula
Percentage change = [(807 - 451) / 451] x 100
Subtract the new number by the original number
807 - 451 = 356
356 ÷ 451 = 0.7893569844789357
0.7893569844789357 x 100 = 78.94%