28.06% is the change from 253 to 324
Calculation steps:
[( 324 - 253 ) ÷ 253] x 100 = 28.06%
Formula
Percentage change = [(324 - 253) / 253] x 100
Subtract the new number by the original number
324 - 253 = 71
71 ÷ 253 = 0.28063241106719367
0.28063241106719367 x 100 = 28.06%