-27.79% is the change from 457 to 330
Calculation steps:
[( 330 - 457 ) ÷ 457] x 100 = -27.79%
Formula
Percentage change = [(330 - 457) / 457] x 100
Subtract the new number by the original number
330 - 457 = -127
-127 ÷ 457 = -0.2778993435448578
-0.2778993435448578 x 100 = -27.79%