-47.47% is the change from 455 to 239
Calculation steps:
[( 239 - 455 ) ÷ 455] x 100 = -47.47%
Formula
Percentage change = [(239 - 455) / 455] x 100
Subtract the new number by the original number
239 - 455 = -216
-216 ÷ 455 = -0.4747252747252747
-0.4747252747252747 x 100 = -47.47%