149.39% is the change from 326 to 813
Calculation steps:
[( 813 - 326 ) ÷ 326] x 100 = 149.39%
Formula
Percentage change = [(813 - 326) / 326] x 100
Subtract the new number by the original number
813 - 326 = 487
487 ÷ 326 = 1.4938650306748467
1.4938650306748467 x 100 = 149.39%