-42.47% is the change from 445 to 256
Calculation steps:
[( 256 - 445 ) ÷ 445] x 100 = -42.47%
Formula
Percentage change = [(256 - 445) / 445] x 100
Subtract the new number by the original number
256 - 445 = -189
-189 ÷ 445 = -0.4247191011235955
-0.4247191011235955 x 100 = -42.47%