3.27% is the change from 214 to 221
Calculation steps:
[( 221 - 214 ) ÷ 214] x 100 = 3.27%
Formula
Percentage change = [(221 - 214) / 214] x 100
Subtract the new number by the original number
221 - 214 = 7
7 ÷ 214 = 0.03271028037383177
0.03271028037383177 x 100 = 3.27%