12.22% is the change from 221 to 248
Calculation steps:
[( 248 - 221 ) ÷ 221] x 100 = 12.22%
Formula
Percentage change = [(248 - 221) / 221] x 100
Subtract the new number by the original number
248 - 221 = 27
27 ÷ 221 = 0.12217194570135746
0.12217194570135746 x 100 = 12.22%