-49.01% is the change from 455 to 232
Calculation steps:
[( 232 - 455 ) ÷ 455] x 100 = -49.01%
Formula
Percentage change = [(232 - 455) / 455] x 100
Subtract the new number by the original number
232 - 455 = -223
-223 ÷ 455 = -0.4901098901098901
-0.4901098901098901 x 100 = -49.01%