-50.63% is the change from 478 to 236
Calculation steps:
[( 236 - 478 ) ÷ 478] x 100 = -50.63%
Formula
Percentage change = [(236 - 478) / 478] x 100
Subtract the new number by the original number
236 - 478 = -242
-242 ÷ 478 = -0.5062761506276151
-0.5062761506276151 x 100 = -50.63%