73.39% is the change from 109 to 189
Calculation steps:
[( 189 - 109 ) ÷ 109] x 100 = 73.39%
Formula
Percentage change = [(189 - 109) / 109] x 100
Subtract the new number by the original number
189 - 109 = 80
80 ÷ 109 = 0.7339449541284404
0.7339449541284404 x 100 = 73.39%