15.3% is the change from 281 to 324
Calculation steps:
[( 324 - 281 ) ÷ 281] x 100 = 15.3%
Formula
Percentage change = [(324 - 281) / 281] x 100
Subtract the new number by the original number
324 - 281 = 43
43 ÷ 281 = 0.15302491103202848
0.15302491103202848 x 100 = 15.3%