-70.91% is the change from 440 to 128
Calculation steps:
[( 128 - 440 ) ÷ 440] x 100 = -70.91%
Formula
Percentage change = [(128 - 440) / 440] x 100
Subtract the new number by the original number
128 - 440 = -312
-312 ÷ 440 = -0.7090909090909091
-0.7090909090909091 x 100 = -70.91%