-78.41% is the change from 389 to 84
Calculation steps:
[( 84 - 389 ) ÷ 389] x 100 = -78.41%
Formula
Percentage change = [(84 - 389) / 389] x 100
Subtract the new number by the original number
84 - 389 = -305
-305 ÷ 389 = -0.7840616966580977
-0.7840616966580977 x 100 = -78.41%