-66.32% is the change from 380 to 128
Calculation steps:
[( 128 - 380 ) ÷ 380] x 100 = -66.32%
Formula
Percentage change = [(128 - 380) / 380] x 100
Subtract the new number by the original number
128 - 380 = -252
-252 ÷ 380 = -0.6631578947368421
-0.6631578947368421 x 100 = -66.32%