19.46% is the change from 221 to 264
Calculation steps:
[( 264 - 221 ) ÷ 221] x 100 = 19.46%
Formula
Percentage change = [(264 - 221) / 221] x 100
Subtract the new number by the original number
264 - 221 = 43
43 ÷ 221 = 0.19457013574660634
0.19457013574660634 x 100 = 19.46%