54.95% is the change from 222 to 344
Calculation steps:
[( 344 - 222 ) ÷ 222] x 100 = 54.95%
Formula
Percentage change = [(344 - 222) / 222] x 100
Subtract the new number by the original number
344 - 222 = 122
122 ÷ 222 = 0.5495495495495496
0.5495495495495496 x 100 = 54.95%