118.8% is the change from 117 to 256
Calculation steps:
[( 256 - 117 ) ÷ 117] x 100 = 118.8%
Formula
Percentage change = [(256 - 117) / 117] x 100
Subtract the new number by the original number
256 - 117 = 139
139 ÷ 117 = 1.188034188034188
1.188034188034188 x 100 = 118.8%