-44.59% is the change from 814 to 451
Calculation steps:
[( 451 - 814 ) ÷ 814] x 100 = -44.59%
Formula
Percentage change = [(451 - 814) / 814] x 100
Subtract the new number by the original number
451 - 814 = -363
-363 ÷ 814 = -0.44594594594594594
-0.44594594594594594 x 100 = -44.59%