-43.68% is the change from 451 to 254
Calculation steps:
[( 254 - 451 ) ÷ 451] x 100 = -43.68%
Formula
Percentage change = [(254 - 451) / 451] x 100
Subtract the new number by the original number
254 - 451 = -197
-197 ÷ 451 = -0.43680709534368073
-0.43680709534368073 x 100 = -43.68%