-27.97% is the change from 454 to 327
Calculation steps:
[( 327 - 454 ) ÷ 454] x 100 = -27.97%
Formula
Percentage change = [(327 - 454) / 454] x 100
Subtract the new number by the original number
327 - 454 = -127
-127 ÷ 454 = -0.27973568281938327
-0.27973568281938327 x 100 = -27.97%