70.64% is the change from 109 to 186
Calculation steps:
[( 186 - 109 ) ÷ 109] x 100 = 70.64%
Formula
Percentage change = [(186 - 109) / 109] x 100
Subtract the new number by the original number
186 - 109 = 77
77 ÷ 109 = 0.7064220183486238
0.7064220183486238 x 100 = 70.64%