15.9% is the change from 283 to 328
Calculation steps:
[( 328 - 283 ) ÷ 283] x 100 = 15.9%
Formula
Percentage change = [(328 - 283) / 283] x 100
Subtract the new number by the original number
328 - 283 = 45
45 ÷ 283 = 0.15901060070671377
0.15901060070671377 x 100 = 15.9%