19.12% is the change from 408 to 486
Calculation steps:
[( 486 - 408 ) ÷ 408] x 100 = 19.12%
Formula
Percentage change = [(486 - 408) / 408] x 100
Subtract the new number by the original number
486 - 408 = 78
78 ÷ 408 = 0.19117647058823528
0.19117647058823528 x 100 = 19.12%