96.09% is the change from 128 to 251
Calculation steps:
[( 251 - 128 ) ÷ 128] x 100 = 96.09%
Formula
Percentage change = [(251 - 128) / 128] x 100
Subtract the new number by the original number
251 - 128 = 123
123 ÷ 128 = 0.9609375
0.9609375 x 100 = 96.09%