12.67% is the change from 221 to 249
Calculation steps:
[( 249 - 221 ) ÷ 221] x 100 = 12.67%
Formula
Percentage change = [(249 - 221) / 221] x 100
Subtract the new number by the original number
249 - 221 = 28
28 ÷ 221 = 0.12669683257918551
0.12669683257918551 x 100 = 12.67%