90.59% is the change from 170 to 324
Calculation steps:
[( 324 - 170 ) ÷ 170] x 100 = 90.59%
Formula
Percentage change = [(324 - 170) / 170] x 100
Subtract the new number by the original number
324 - 170 = 154
154 ÷ 170 = 0.9058823529411765
0.9058823529411765 x 100 = 90.59%