31.14% is the change from 228 to 299
Calculation steps:
[( 299 - 228 ) ÷ 228] x 100 = 31.14%
Formula
Percentage change = [(299 - 228) / 228] x 100
Subtract the new number by the original number
299 - 228 = 71
71 ÷ 228 = 0.31140350877192985
0.31140350877192985 x 100 = 31.14%