-48.25% is the change from 456 to 236
Calculation steps:
[( 236 - 456 ) ÷ 456] x 100 = -48.25%
Formula
Percentage change = [(236 - 456) / 456] x 100
Subtract the new number by the original number
236 - 456 = -220
-220 ÷ 456 = -0.4824561403508772
-0.4824561403508772 x 100 = -48.25%