-46.03% is the change from 478 to 258
Calculation steps:
[( 258 - 478 ) ÷ 478] x 100 = -46.03%
Formula
Percentage change = [(258 - 478) / 478] x 100
Subtract the new number by the original number
258 - 478 = -220
-220 ÷ 478 = -0.4602510460251046
-0.4602510460251046 x 100 = -46.03%