9.49% is the change from 590 to 646
Calculation steps:
[( 646 - 590 ) ÷ 590] x 100 = 9.49%
Formula
Percentage change = [(646 - 590) / 590] x 100
Subtract the new number by the original number
646 - 590 = 56
56 ÷ 590 = 0.09491525423728814
0.09491525423728814 x 100 = 9.49%