49.1% is the change from 222 to 331
Calculation steps:
[( 331 - 222 ) ÷ 222] x 100 = 49.1%
Formula
Percentage change = [(331 - 222) / 222] x 100
Subtract the new number by the original number
331 - 222 = 109
109 ÷ 222 = 0.49099099099099097
0.49099099099099097 x 100 = 49.1%