56.25% is the change from 128 to 200
Calculation steps:
[( 200 - 128 ) ÷ 128] x 100 = 56.25%
Formula
Percentage change = [(200 - 128) / 128] x 100
Subtract the new number by the original number
200 - 128 = 72
72 ÷ 128 = 0.5625
0.5625 x 100 = 56.25%
Example