91.81% is the change from 171 to 328
Calculation steps:
[( 328 - 171 ) ÷ 171] x 100 = 91.81%
Formula
Percentage change = [(328 - 171) / 171] x 100
Subtract the new number by the original number
328 - 171 = 157
157 ÷ 171 = 0.9181286549707602
0.9181286549707602 x 100 = 91.81%