128.44% is the change from 109 to 249
Calculation steps:
[( 249 - 109 ) ÷ 109] x 100 = 128.44%
Formula
Percentage change = [(249 - 109) / 109] x 100
Subtract the new number by the original number
249 - 109 = 140
140 ÷ 109 = 1.2844036697247707
1.2844036697247707 x 100 = 128.44%