64.52% is the change from 496 to 816
Calculation steps:
[( 816 - 496 ) ÷ 496] x 100 = 64.52%
Formula
Percentage change = [(816 - 496) / 496] x 100
Subtract the new number by the original number
816 - 496 = 320
320 ÷ 496 = 0.6451612903225806
0.6451612903225806 x 100 = 64.52%