134.86% is the change from 109 to 256
Calculation steps:
[( 256 - 109 ) ÷ 109] x 100 = 134.86%
Formula
Percentage change = [(256 - 109) / 109] x 100
Subtract the new number by the original number
256 - 109 = 147
147 ÷ 109 = 1.348623853211009
1.348623853211009 x 100 = 134.86%