40.92% is the change from 589 to 830
Calculation steps:
[( 830 - 589 ) ÷ 589] x 100 = 40.92%
Formula
Percentage change = [(830 - 589) / 589] x 100
Subtract the new number by the original number
830 - 589 = 241
241 ÷ 589 = 0.4091680814940577
0.4091680814940577 x 100 = 40.92%