91.23% is the change from 171 to 327
Calculation steps:
[( 327 - 171 ) ÷ 171] x 100 = 91.23%
Formula
Percentage change = [(327 - 171) / 171] x 100
Subtract the new number by the original number
327 - 171 = 156
156 ÷ 171 = 0.9122807017543859
0.9122807017543859 x 100 = 91.23%