34.48% is the change from 493 to 663
Calculation steps:
[( 663 - 493 ) ÷ 493] x 100 = 34.48%
Formula
Percentage change = [(663 - 493) / 493] x 100
Subtract the new number by the original number
663 - 493 = 170
170 ÷ 493 = 0.3448275862068966
0.3448275862068966 x 100 = 34.48%