-39.61% is the change from 457 to 276
Calculation steps:
[( 276 - 457 ) ÷ 457] x 100 = -39.61%
Formula
Percentage change = [(276 - 457) / 457] x 100
Subtract the new number by the original number
276 - 457 = -181
-181 ÷ 457 = -0.39606126914660833
-0.39606126914660833 x 100 = -39.61%