77.58% is the change from 330 to 586
Calculation steps:
[( 586 - 330 ) ÷ 330] x 100 = 77.58%
Formula
Percentage change = [(586 - 330) / 330] x 100
Subtract the new number by the original number
586 - 330 = 256
256 ÷ 330 = 0.7757575757575758
0.7757575757575758 x 100 = 77.58%