66.56% is the change from 320 to 533
Calculation steps:
[( 533 - 320 ) ÷ 320] x 100 = 66.56%
Formula
Percentage change = [(533 - 320) / 320] x 100
Subtract the new number by the original number
533 - 320 = 213
213 ÷ 320 = 0.665625
0.665625 x 100 = 66.56%