8.4% is the change from 393 to 426
Calculation steps:
[( 426 - 393 ) ÷ 393] x 100 = 8.4%
Formula
Percentage change = [(426 - 393) / 393] x 100
Subtract the new number by the original number
426 - 393 = 33
33 ÷ 393 = 0.08396946564885496
0.08396946564885496 x 100 = 8.4%