-27.47% is the change from 455 to 330
Calculation steps:
[( 330 - 455 ) ÷ 455] x 100 = -27.47%
Formula
Percentage change = [(330 - 455) / 455] x 100
Subtract the new number by the original number
330 - 455 = -125
-125 ÷ 455 = -0.27472527472527475
-0.27472527472527475 x 100 = -27.47%