21.74% is the change from 322 to 392
Calculation steps:
[( 392 - 322 ) ÷ 322] x 100 = 21.74%
Formula
Percentage change = [(392 - 322) / 322] x 100
Subtract the new number by the original number
392 - 322 = 70
70 ÷ 322 = 0.21739130434782608
0.21739130434782608 x 100 = 21.74%