166.97% is the change from 109 to 291
Calculation steps:
[( 291 - 109 ) ÷ 109] x 100 = 166.97%
Formula
Percentage change = [(291 - 109) / 109] x 100
Subtract the new number by the original number
291 - 109 = 182
182 ÷ 109 = 1.6697247706422018
1.6697247706422018 x 100 = 166.97%