-13.97% is the change from 451 to 388
Calculation steps:
[( 388 - 451 ) ÷ 451] x 100 = -13.97%
Formula
Percentage change = [(388 - 451) / 451] x 100
Subtract the new number by the original number
388 - 451 = -63
-63 ÷ 451 = -0.13968957871396895
-0.13968957871396895 x 100 = -13.97%