-81.75% is the change from 389 to 71
Calculation steps:
[( 71 - 389 ) ÷ 389] x 100 = -81.75%
Formula
Percentage change = [(71 - 389) / 389] x 100
Subtract the new number by the original number
71 - 389 = -318
-318 ÷ 389 = -0.8174807197943444
-0.8174807197943444 x 100 = -81.75%