-11.72% is the change from 145 to 128
Calculation steps:
[( 128 - 145 ) ÷ 145] x 100 = -11.72%
Formula
Percentage change = [(128 - 145) / 145] x 100
Subtract the new number by the original number
128 - 145 = -17
-17 ÷ 145 = -0.11724137931034483
-0.11724137931034483 x 100 = -11.72%