21.43% is the change from 224 to 272
Calculation steps:
[( 272 - 224 ) ÷ 224] x 100 = 21.43%
Formula
Percentage change = [(272 - 224) / 224] x 100
Subtract the new number by the original number
272 - 224 = 48
48 ÷ 224 = 0.21428571428571427
0.21428571428571427 x 100 = 21.43%