-50.84% is the change from 478 to 235
Calculation steps:
[( 235 - 478 ) ÷ 478] x 100 = -50.84%
Formula
Percentage change = [(235 - 478) / 478] x 100
Subtract the new number by the original number
235 - 478 = -243
-243 ÷ 478 = -0.5083682008368201
-0.5083682008368201 x 100 = -50.84%