31.08% is the change from 222 to 291
Calculation steps:
[( 291 - 222 ) ÷ 222] x 100 = 31.08%
Formula
Percentage change = [(291 - 222) / 222] x 100
Subtract the new number by the original number
291 - 222 = 69
69 ÷ 222 = 0.3108108108108108
0.3108108108108108 x 100 = 31.08%