18.13% is the change from 502 to 593
Calculation steps:
[( 593 - 502 ) ÷ 502] x 100 = 18.13%
Formula
Percentage change = [(593 - 502) / 502] x 100
Subtract the new number by the original number
593 - 502 = 91
91 ÷ 502 = 0.18127490039840638
0.18127490039840638 x 100 = 18.13%