6.25% is the change from 208 to 221
Calculation steps:
[( 221 - 208 ) ÷ 208] x 100 = 6.25%
Formula
Percentage change = [(221 - 208) / 208] x 100
Subtract the new number by the original number
221 - 208 = 13
13 ÷ 208 = 0.0625
0.0625 x 100 = 6.25%
Example