17.82% is the change from 275 to 324
Calculation steps:
[( 324 - 275 ) ÷ 275] x 100 = 17.82%
Formula
Percentage change = [(324 - 275) / 275] x 100
Subtract the new number by the original number
324 - 275 = 49
49 ÷ 275 = 0.1781818181818182
0.1781818181818182 x 100 = 17.82%