154.66% is the change from 322 to 820
Calculation steps:
[( 820 - 322 ) ÷ 322] x 100 = 154.66%
Formula
Percentage change = [(820 - 322) / 322] x 100
Subtract the new number by the original number
820 - 322 = 498
498 ÷ 322 = 1.546583850931677
1.546583850931677 x 100 = 154.66%