-3.03% is the change from 132 to 128
Calculation steps:
[( 128 - 132 ) ÷ 132] x 100 = -3.03%
Formula
Percentage change = [(128 - 132) / 132] x 100
Subtract the new number by the original number
128 - 132 = -4
-4 ÷ 132 = -0.030303030303030304
-0.030303030303030304 x 100 = -3.03%