55.96% is the change from 109 to 170
Calculation steps:
[( 170 - 109 ) ÷ 109] x 100 = 55.96%
Formula
Percentage change = [(170 - 109) / 109] x 100
Subtract the new number by the original number
170 - 109 = 61
61 ÷ 109 = 0.5596330275229358
0.5596330275229358 x 100 = 55.96%