22.29% is the change from 350 to 428
Calculation steps:
[( 428 - 350 ) ÷ 350] x 100 = 22.29%
Formula
Percentage change = [(428 - 350) / 350] x 100
Subtract the new number by the original number
428 - 350 = 78
78 ÷ 350 = 0.22285714285714286
0.22285714285714286 x 100 = 22.29%