75.76% is the change from 330 to 580
Calculation steps:
[( 580 - 330 ) ÷ 330] x 100 = 75.76%
Formula
Percentage change = [(580 - 330) / 330] x 100
Subtract the new number by the original number
580 - 330 = 250
250 ÷ 330 = 0.7575757575757576
0.7575757575757576 x 100 = 75.76%