2.55% is the change from 588 to 603
Calculation steps:
[( 603 - 588 ) ÷ 588] x 100 = 2.55%
Formula
Percentage change = [(603 - 588) / 588] x 100
Subtract the new number by the original number
603 - 588 = 15
15 ÷ 588 = 0.025510204081632654
0.025510204081632654 x 100 = 2.55%