15.28% is the change from 216 to 249
Calculation steps:
[( 249 - 216 ) ÷ 216] x 100 = 15.28%
Formula
Percentage change = [(249 - 216) / 216] x 100
Subtract the new number by the original number
249 - 216 = 33
33 ÷ 216 = 0.1527777777777778
0.1527777777777778 x 100 = 15.28%