-45.3% is the change from 468 to 256
Calculation steps:
[( 256 - 468 ) ÷ 468] x 100 = -45.3%
Formula
Percentage change = [(256 - 468) / 468] x 100
Subtract the new number by the original number
256 - 468 = -212
-212 ÷ 468 = -0.452991452991453
-0.452991452991453 x 100 = -45.3%