152.94% is the change from 323 to 817
Calculation steps:
[( 817 - 323 ) ÷ 323] x 100 = 152.94%
Formula
Percentage change = [(817 - 323) / 323] x 100
Subtract the new number by the original number
817 - 323 = 494
494 ÷ 323 = 1.5294117647058822
1.5294117647058822 x 100 = 152.94%