14.47% is the change from 228 to 261
Calculation steps:
[( 261 - 228 ) ÷ 228] x 100 = 14.47%
Formula
Percentage change = [(261 - 228) / 228] x 100
Subtract the new number by the original number
261 - 228 = 33
33 ÷ 228 = 0.14473684210526316
0.14473684210526316 x 100 = 14.47%