22.19% is the change from 347 to 424
Calculation steps:
[( 424 - 347 ) ÷ 347] x 100 = 22.19%
Formula
Percentage change = [(424 - 347) / 347] x 100
Subtract the new number by the original number
424 - 347 = 77
77 ÷ 347 = 0.2219020172910663
0.2219020172910663 x 100 = 22.19%