-49.84% is the change from 319 to 160
Calculation steps:
[( 160 - 319 ) ÷ 319] x 100 = -49.84%
Formula
Percentage change = [(160 - 319) / 319] x 100
Subtract the new number by the original number
160 - 319 = -159
-159 ÷ 319 = -0.49843260188087773
-0.49843260188087773 x 100 = -49.84%