8.94% is the change from 593 to 646
Calculation steps:
[( 646 - 593 ) ÷ 593] x 100 = 8.94%
Formula
Percentage change = [(646 - 593) / 593] x 100
Subtract the new number by the original number
646 - 593 = 53
53 ÷ 593 = 0.0893760539629005
0.0893760539629005 x 100 = 8.94%