398.46% is the change from 65 to 324
Calculation steps:
[( 324 - 65 ) ÷ 65] x 100 = 398.46%
Formula
Percentage change = [(324 - 65) / 65] x 100
Subtract the new number by the original number
324 - 65 = 259
259 ÷ 65 = 3.9846153846153847
3.9846153846153847 x 100 = 398.46%