96.93% is the change from 228 to 449
Calculation steps:
[( 449 - 228 ) ÷ 228] x 100 = 96.93%
Formula
Percentage change = [(449 - 228) / 228] x 100
Subtract the new number by the original number
449 - 228 = 221
221 ÷ 228 = 0.9692982456140351
0.9692982456140351 x 100 = 96.93%