-14.95% is the change from 301 to 256
Calculation steps:
[( 256 - 301 ) ÷ 301] x 100 = -14.95%
Formula
Percentage change = [(256 - 301) / 301] x 100
Subtract the new number by the original number
256 - 301 = -45
-45 ÷ 301 = -0.14950166112956811
-0.14950166112956811 x 100 = -14.95%