65.52% is the change from 493 to 816
Calculation steps:
[( 816 - 493 ) ÷ 493] x 100 = 65.52%
Formula
Percentage change = [(816 - 493) / 493] x 100
Subtract the new number by the original number
816 - 493 = 323
323 ÷ 493 = 0.6551724137931034
0.6551724137931034 x 100 = 65.52%