20.81% is the change from 322 to 389
Calculation steps:
[( 389 - 322 ) ÷ 322] x 100 = 20.81%
Formula
Percentage change = [(389 - 322) / 322] x 100
Subtract the new number by the original number
389 - 322 = 67
67 ÷ 322 = 0.2080745341614907
0.2080745341614907 x 100 = 20.81%