67.65% is the change from 102 to 171
Calculation steps:
[( 171 - 102 ) ÷ 102] x 100 = 67.65%
Formula
Percentage change = [(171 - 102) / 102] x 100
Subtract the new number by the original number
171 - 102 = 69
69 ÷ 102 = 0.6764705882352942
0.6764705882352942 x 100 = 67.65%