32.07% is the change from 502 to 663
Calculation steps:
[( 663 - 502 ) ÷ 502] x 100 = 32.07%
Formula
Percentage change = [(663 - 502) / 502] x 100
Subtract the new number by the original number
663 - 502 = 161
161 ÷ 502 = 0.3207171314741036
0.3207171314741036 x 100 = 32.07%