16.55% is the change from 278 to 324
Calculation steps:
[( 324 - 278 ) ÷ 278] x 100 = 16.55%
Formula
Percentage change = [(324 - 278) / 278] x 100
Subtract the new number by the original number
324 - 278 = 46
46 ÷ 278 = 0.16546762589928057
0.16546762589928057 x 100 = 16.55%