34.59% is the change from 318 to 428
Calculation steps:
[( 428 - 318 ) ÷ 318] x 100 = 34.59%
Formula
Percentage change = [(428 - 318) / 318] x 100
Subtract the new number by the original number
428 - 318 = 110
110 ÷ 318 = 0.34591194968553457
0.34591194968553457 x 100 = 34.59%