6.52% is the change from 322 to 343
Calculation steps:
[( 343 - 322 ) ÷ 322] x 100 = 6.52%
Formula
Percentage change = [(343 - 322) / 322] x 100
Subtract the new number by the original number
343 - 322 = 21
21 ÷ 322 = 0.06521739130434782
0.06521739130434782 x 100 = 6.52%