13.89% is the change from 216 to 246
Calculation steps:
[( 246 - 216 ) ÷ 216] x 100 = 13.89%
Formula
Percentage change = [(246 - 216) / 216] x 100
Subtract the new number by the original number
246 - 216 = 30
30 ÷ 216 = 0.1388888888888889
0.1388888888888889 x 100 = 13.89%