25.49% is the change from 102 to 128
Calculation steps:
[( 128 - 102 ) ÷ 102] x 100 = 25.49%
Formula
Percentage change = [(128 - 102) / 102] x 100
Subtract the new number by the original number
128 - 102 = 26
26 ÷ 102 = 0.2549019607843137
0.2549019607843137 x 100 = 25.49%