22.94% is the change from 340 to 418
Calculation steps:
[( 418 - 340 ) ÷ 340] x 100 = 22.94%
Formula
Percentage change = [(418 - 340) / 340] x 100
Subtract the new number by the original number
418 - 340 = 78
78 ÷ 340 = 0.22941176470588234
0.22941176470588234 x 100 = 22.94%