97.59% is the change from 166 to 328
Calculation steps:
[( 328 - 166 ) ÷ 166] x 100 = 97.59%
Formula
Percentage change = [(328 - 166) / 166] x 100
Subtract the new number by the original number
328 - 166 = 162
162 ÷ 166 = 0.9759036144578314
0.9759036144578314 x 100 = 97.59%