73.4% is the change from 188 to 326
Calculation steps:
[( 326 - 188 ) ÷ 188] x 100 = 73.4%
Formula
Percentage change = [(326 - 188) / 188] x 100
Subtract the new number by the original number
326 - 188 = 138
138 ÷ 188 = 0.7340425531914894
0.7340425531914894 x 100 = 73.4%