-48.13% is the change from 455 to 236
Calculation steps:
[( 236 - 455 ) ÷ 455] x 100 = -48.13%
Formula
Percentage change = [(236 - 455) / 455] x 100
Subtract the new number by the original number
236 - 455 = -219
-219 ÷ 455 = -0.48131868131868133
-0.48131868131868133 x 100 = -48.13%