-39.25% is the change from 451 to 274
Calculation steps:
[( 274 - 451 ) ÷ 451] x 100 = -39.25%
Formula
Percentage change = [(274 - 451) / 451] x 100
Subtract the new number by the original number
274 - 451 = -177
-177 ÷ 451 = -0.3924611973392461
-0.3924611973392461 x 100 = -39.25%