-59.9% is the change from 399 to 160
Calculation steps:
[( 160 - 399 ) ÷ 399] x 100 = -59.9%
Formula
Percentage change = [(160 - 399) / 399] x 100
Subtract the new number by the original number
160 - 399 = -239
-239 ÷ 399 = -0.5989974937343359
-0.5989974937343359 x 100 = -59.9%