97.56% is the change from 164 to 324
Calculation steps:
[( 324 - 164 ) ÷ 164] x 100 = 97.56%
Formula
Percentage change = [(324 - 164) / 164] x 100
Subtract the new number by the original number
324 - 164 = 160
160 ÷ 164 = 0.975609756097561
0.975609756097561 x 100 = 97.56%