21.78% is the change from 225 to 274
Calculation steps:
[( 274 - 225 ) ÷ 225] x 100 = 21.78%
Formula
Percentage change = [(274 - 225) / 225] x 100
Subtract the new number by the original number
274 - 225 = 49
49 ÷ 225 = 0.21777777777777776
0.21777777777777776 x 100 = 21.78%