6.88% is the change from 218 to 233
Calculation steps:
[( 233 - 218 ) ÷ 218] x 100 = 6.88%
Formula
Percentage change = [(233 - 218) / 218] x 100
Subtract the new number by the original number
233 - 218 = 15
15 ÷ 218 = 0.06880733944954129
0.06880733944954129 x 100 = 6.88%