79.09% is the change from 330 to 591
Calculation steps:
[( 591 - 330 ) ÷ 330] x 100 = 79.09%
Formula
Percentage change = [(591 - 330) / 330] x 100
Subtract the new number by the original number
591 - 330 = 261
261 ÷ 330 = 0.7909090909090909
0.7909090909090909 x 100 = 79.09%