30.61% is the change from 196 to 256
Calculation steps:
[( 256 - 196 ) ÷ 196] x 100 = 30.61%
Formula
Percentage change = [(256 - 196) / 196] x 100
Subtract the new number by the original number
256 - 196 = 60
60 ÷ 196 = 0.30612244897959184
0.30612244897959184 x 100 = 30.61%