21.71% is the change from 350 to 426
Calculation steps:
[( 426 - 350 ) ÷ 350] x 100 = 21.71%
Formula
Percentage change = [(426 - 350) / 350] x 100
Subtract the new number by the original number
426 - 350 = 76
76 ÷ 350 = 0.21714285714285714
0.21714285714285714 x 100 = 21.71%