-46.11% is the change from 475 to 256
Calculation steps:
[( 256 - 475 ) ÷ 475] x 100 = -46.11%
Formula
Percentage change = [(256 - 475) / 475] x 100
Subtract the new number by the original number
256 - 475 = -219
-219 ÷ 475 = -0.4610526315789474
-0.4610526315789474 x 100 = -46.11%