25% is the change from 228 to 285
Calculation steps:
[( 285 - 228 ) ÷ 228] x 100 = 25%
Formula
Percentage change = [(285 - 228) / 228] x 100
Subtract the new number by the original number
285 - 228 = 57
57 ÷ 228 = 0.25
0.25 x 100 = 25%
Example