-48.46% is the change from 456 to 235
Calculation steps:
[( 235 - 456 ) ÷ 456] x 100 = -48.46%
Formula
Percentage change = [(235 - 456) / 456] x 100
Subtract the new number by the original number
235 - 456 = -221
-221 ÷ 456 = -0.48464912280701755
-0.48464912280701755 x 100 = -48.46%