9.38% is the change from 128 to 140
Calculation steps:
[( 140 - 128 ) ÷ 128] x 100 = 9.38%
Formula
Percentage change = [(140 - 128) / 128] x 100
Subtract the new number by the original number
140 - 128 = 12
12 ÷ 128 = 0.09375
0.09375 x 100 = 9.38%
Example