-44.53% is the change from 813 to 451
Calculation steps:
[( 451 - 813 ) ÷ 813] x 100 = -44.53%
Formula
Percentage change = [(451 - 813) / 813] x 100
Subtract the new number by the original number
451 - 813 = -362
-362 ÷ 813 = -0.44526445264452646
-0.44526445264452646 x 100 = -44.53%