9% is the change from 589 to 642
Calculation steps:
[( 642 - 589 ) ÷ 589] x 100 = 9%
Formula
Percentage change = [(642 - 589) / 589] x 100
Subtract the new number by the original number
642 - 589 = 53
53 ÷ 589 = 0.0899830220713073
0.0899830220713073 x 100 = 9%