16.07% is the change from 280 to 325
Calculation steps:
[( 325 - 280 ) ÷ 280] x 100 = 16.07%
Formula
Percentage change = [(325 - 280) / 280] x 100
Subtract the new number by the original number
325 - 280 = 45
45 ÷ 280 = 0.16071428571428573
0.16071428571428573 x 100 = 16.07%