11.76% is the change from 153 to 171
Calculation steps:
[( 171 - 153 ) ÷ 153] x 100 = 11.76%
Formula
Percentage change = [(171 - 153) / 153] x 100
Subtract the new number by the original number
171 - 153 = 18
18 ÷ 153 = 0.11764705882352941
0.11764705882352941 x 100 = 11.76%