9.18% is the change from 588 to 642
Calculation steps:
[( 642 - 588 ) ÷ 588] x 100 = 9.18%
Formula
Percentage change = [(642 - 588) / 588] x 100
Subtract the new number by the original number
642 - 588 = 54
54 ÷ 588 = 0.09183673469387756
0.09183673469387756 x 100 = 9.18%