-57.89% is the change from 399 to 168
Calculation steps:
[( 168 - 399 ) ÷ 399] x 100 = -57.89%
Formula
Percentage change = [(168 - 399) / 399] x 100
Subtract the new number by the original number
168 - 399 = -231
-231 ÷ 399 = -0.5789473684210527
-0.5789473684210527 x 100 = -57.89%