64.02% is the change from 328 to 538
Calculation steps:
[( 538 - 328 ) ÷ 328] x 100 = 64.02%
Formula
Percentage change = [(538 - 328) / 328] x 100
Subtract the new number by the original number
538 - 328 = 210
210 ÷ 328 = 0.6402439024390244
0.6402439024390244 x 100 = 64.02%