40.17% is the change from 117 to 164
Calculation steps:
[( 164 - 117 ) ÷ 117] x 100 = 40.17%
Formula
Percentage change = [(164 - 117) / 117] x 100
Subtract the new number by the original number
164 - 117 = 47
47 ÷ 117 = 0.4017094017094017
0.4017094017094017 x 100 = 40.17%