2.77% is the change from 397 to 408
Calculation steps:
[( 408 - 397 ) ÷ 397] x 100 = 2.77%
Formula
Percentage change = [(408 - 397) / 397] x 100
Subtract the new number by the original number
408 - 397 = 11
11 ÷ 397 = 0.027707808564231738
0.027707808564231738 x 100 = 2.77%