56.88% is the change from 109 to 171
Calculation steps:
[( 171 - 109 ) ÷ 109] x 100 = 56.88%
Formula
Percentage change = [(171 - 109) / 109] x 100
Subtract the new number by the original number
171 - 109 = 62
62 ÷ 109 = 0.5688073394495413
0.5688073394495413 x 100 = 56.88%