-56.92% is the change from 390 to 168
Calculation steps:
[( 168 - 390 ) ÷ 390] x 100 = -56.92%
Formula
Percentage change = [(168 - 390) / 390] x 100
Subtract the new number by the original number
168 - 390 = -222
-222 ÷ 390 = -0.5692307692307692
-0.5692307692307692 x 100 = -56.92%