251.61% is the change from 31 to 109
Calculation steps:
[( 109 - 31 ) ÷ 31] x 100 = 251.61%
Formula
Percentage change = [(109 - 31) / 31] x 100
Subtract the new number by the original number
109 - 31 = 78
78 ÷ 31 = 2.5161290322580645
2.5161290322580645 x 100 = 251.61%