-39.91% is the change from 456 to 274
Calculation steps:
[( 274 - 456 ) ÷ 456] x 100 = -39.91%
Formula
Percentage change = [(274 - 456) / 456] x 100
Subtract the new number by the original number
274 - 456 = -182
-182 ÷ 456 = -0.3991228070175439
-0.3991228070175439 x 100 = -39.91%