-66.14% is the change from 378 to 128
Calculation steps:
[( 128 - 378 ) ÷ 378] x 100 = -66.14%
Formula
Percentage change = [(128 - 378) / 378] x 100
Subtract the new number by the original number
128 - 378 = -250
-250 ÷ 378 = -0.6613756613756614
-0.6613756613756614 x 100 = -66.14%