152.63% is the change from 323 to 816
Calculation steps:
[( 816 - 323 ) ÷ 323] x 100 = 152.63%
Formula
Percentage change = [(816 - 323) / 323] x 100
Subtract the new number by the original number
816 - 323 = 493
493 ÷ 323 = 1.5263157894736843
1.5263157894736843 x 100 = 152.63%