153.11% is the change from 322 to 815
Calculation steps:
[( 815 - 322 ) ÷ 322] x 100 = 153.11%
Formula
Percentage change = [(815 - 322) / 322] x 100
Subtract the new number by the original number
815 - 322 = 493
493 ÷ 322 = 1.531055900621118
1.531055900621118 x 100 = 153.11%