29.29% is the change from 198 to 256
Calculation steps:
[( 256 - 198 ) ÷ 198] x 100 = 29.29%
Formula
Percentage change = [(256 - 198) / 198] x 100
Subtract the new number by the original number
256 - 198 = 58
58 ÷ 198 = 0.29292929292929293
0.29292929292929293 x 100 = 29.29%