-45.65% is the change from 471 to 256
Calculation steps:
[( 256 - 471 ) ÷ 471] x 100 = -45.65%
Formula
Percentage change = [(256 - 471) / 471] x 100
Subtract the new number by the original number
256 - 471 = -215
-215 ÷ 471 = -0.4564755838641189
-0.4564755838641189 x 100 = -45.65%