-63.91% is the change from 399 to 144
Calculation steps:
[( 144 - 399 ) ÷ 399] x 100 = -63.91%
Formula
Percentage change = [(144 - 399) / 399] x 100
Subtract the new number by the original number
144 - 399 = -255
-255 ÷ 399 = -0.6390977443609023
-0.6390977443609023 x 100 = -63.91%