-41.41% is the change from 128 to 75
Calculation steps:
[( 75 - 128 ) ÷ 128] x 100 = -41.41%
Formula
Percentage change = [(75 - 128) / 128] x 100
Subtract the new number by the original number
75 - 128 = -53
-53 ÷ 128 = -0.4140625
-0.4140625 x 100 = -41.41%