-13.79% is the change from 457 to 394
Calculation steps:
[( 394 - 457 ) ÷ 457] x 100 = -13.79%
Formula
Percentage change = [(394 - 457) / 457] x 100
Subtract the new number by the original number
394 - 457 = -63
-63 ÷ 457 = -0.13785557986870897
-0.13785557986870897 x 100 = -13.79%