150.31% is the change from 326 to 816
Calculation steps:
[( 816 - 326 ) ÷ 326] x 100 = 150.31%
Formula
Percentage change = [(816 - 326) / 326] x 100
Subtract the new number by the original number
816 - 326 = 490
490 ÷ 326 = 1.5030674846625767
1.5030674846625767 x 100 = 150.31%