-39.43% is the change from 454 to 275
Calculation steps:
[( 275 - 454 ) ÷ 454] x 100 = -39.43%
Formula
Percentage change = [(275 - 454) / 454] x 100
Subtract the new number by the original number
275 - 454 = -179
-179 ÷ 454 = -0.394273127753304
-0.394273127753304 x 100 = -39.43%