-67.1% is the change from 389 to 128
Calculation steps:
[( 128 - 389 ) ÷ 389] x 100 = -67.1%
Formula
Percentage change = [(128 - 389) / 389] x 100
Subtract the new number by the original number
128 - 389 = -261
-261 ÷ 389 = -0.6709511568123393
-0.6709511568123393 x 100 = -67.1%