64.8% is the change from 321 to 529
Calculation steps:
[( 529 - 321 ) ÷ 321] x 100 = 64.8%
Formula
Percentage change = [(529 - 321) / 321] x 100
Subtract the new number by the original number
529 - 321 = 208
208 ÷ 321 = 0.6479750778816199
0.6479750778816199 x 100 = 64.8%