14.29% is the change from 217 to 248
Calculation steps:
[( 248 - 217 ) ÷ 217] x 100 = 14.29%
Formula
Percentage change = [(248 - 217) / 217] x 100
Subtract the new number by the original number
248 - 217 = 31
31 ÷ 217 = 0.14285714285714285
0.14285714285714285 x 100 = 14.29%