-39.69% is the change from 451 to 272
Calculation steps:
[( 272 - 451 ) ÷ 451] x 100 = -39.69%
Formula
Percentage change = [(272 - 451) / 451] x 100
Subtract the new number by the original number
272 - 451 = -179
-179 ÷ 451 = -0.3968957871396896
-0.3968957871396896 x 100 = -39.69%